64299542364 has 96 divisors (see below), whose sum is σ = 167960217600. Its totient is φ = 21272103360.

The previous prime is 64299542327. The next prime is 64299542369. The reversal of 64299542364 is 46324599246.

64299542364 is a `hidden beast` number, since 6 + 4 + 2 + 99 + 542 + 3 + 6 + 4 = 666.

It is a super-2 number, since 2×64299542364² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 64299542364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64299542369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7869009 + ... + 7877175.

It is an arithmetic number, because the mean of its divisors is an integer number (1749585600).

Almost surely, 2^64299542364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64299542364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83980108800).

64299542364 is an abundant number, since it is smaller than the sum of its proper divisors (103660675236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64299542364 is a wasteful number, since it uses less digits than its factorization.

64299542364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720 (or 8712 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 64299542364 in words is "sixty-four billion, two hundred ninety-nine million, five hundred forty-two thousand, three hundred sixty-four".