64051736892 has 48 divisors (see below), whose sum is σ = 175582388352. Its totient is φ = 17916569280.

The previous prime is 64051736873. The next prime is 64051736897. The reversal of 64051736892 is 29863715046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64051736897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18661378 + ... + 18664809.

It is an arithmetic number, because the mean of its divisors is an integer number (3657966424).

It is a 1-persistent number, because it is pandigital, but 2⋅64051736892 = 128103473784 is not.

Almost surely, 2^64051736892 is an apocalyptic number.

It is an amenable number.

64051736892 is an abundant number, since it is smaller than the sum of its proper divisors (111530651460).

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

64051736892 is a wasteful number, since it uses less digits than its factorization.

64051736892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37326218 (or 37326216 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 64051736892 in words is "sixty-four billion, fifty-one million, seven hundred thirty-six thousand, eight hundred ninety-two".