64109386038 has 8 divisors (see below), whose sum is σ = 128218772088. Its totient is φ = 21369795344.

The previous prime is 64109386027. The next prime is 64109386057. The reversal of 64109386038 is 83068390146.

It is a sphenic number, since it is the product of 3 distinct primes.

64109386038 is an admirable number.

It is a super-2 number, since 2×64109386038² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5342448831 + ... + 5342448842.

It is an arithmetic number, because the mean of its divisors is an integer number (16027346511).

Almost surely, 2^64109386038 is an apocalyptic number.

64109386038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64109386038 is a wasteful number, since it uses less digits than its factorization.

64109386038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684897678.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 64109386038 in words is "sixty-four billion, one hundred nine million, three hundred eighty-six thousand, thirty-eight".