64513602342 has 96 divisors (see below), whose sum is σ = 160727224320. Its totient is φ = 18319815360.

The previous prime is 64513602247. The next prime is 64513602343. The reversal of 64513602342 is 24320631546.

64513602342 is a `hidden beast` number, since 6 + 4 + 5 + 1 + 3 + 602 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64513602297 and 64513602306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64513602343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15690867 + ... + 15694977.

It is an arithmetic number, because the mean of its divisors is an integer number (1674241920).

Almost surely, 2^64513602342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64513602342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80363612160).

64513602342 is an abundant number, since it is smaller than the sum of its proper divisors (96213621978).

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

64513602342 is a wasteful number, since it uses less digits than its factorization.

64513602342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 64513602342 in words is "sixty-four billion, five hundred thirteen million, six hundred two thousand, three hundred forty-two".