64747229310 has 40 divisors (see below), whose sum is σ = 174098107656. Its totient is φ = 17265927600.

The previous prime is 64747229257. The next prime is 64747229341. The reversal of 64747229310 is 1392274746.

It is a super-2 number, since 2×64747229310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 39966616 + ... + 39968235.

Almost surely, 2^64747229310 is an apocalyptic number.

64747229310 is an abundant number, since it is smaller than the sum of its proper divisors (109350878346).

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

64747229310 is a wasteful number, since it uses less digits than its factorization.

64747229310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79934870 (or 79934861 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 64747229310 in words is "sixty-four billion, seven hundred forty-seven million, two hundred twenty-nine thousand, three hundred ten".