64150751900 has 18 divisors (see below), whose sum is σ = 139207131840. Its totient is φ = 25660300720.

The previous prime is 64150751869. The next prime is 64150751911. The reversal of 64150751900 is 915705146.

It is a super-2 number, since 2×64150751900² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320753660 + ... + 320753859.

Almost surely, 2^64150751900 is an apocalyptic number.

It is an amenable number.

64150751900 is an abundant number, since it is smaller than the sum of its proper divisors (75056379940).

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

64150751900 is a wasteful number, since it uses less digits than its factorization.

64150751900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641507533 (or 641507526 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 64150751900 in words is "sixty-four billion, one hundred fifty million, seven hundred fifty-one thousand, nine hundred".