65376975428 has 6 divisors (see below), whose sum is σ = 114409707006. Its totient is φ = 32688487712.

The previous prime is 65376975413. The next prime is 65376975473. The reversal of 65376975428 is 82457967356.

65376975428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 61661829124 + 3715146304 = 248318^2 + 60952^2 .

It is a super-2 number, since 2×65376975428² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172121925 + ... + 8172121932.

It is an arithmetic number, because the mean of its divisors is an integer number (19068284501).

Almost surely, 2^65376975428 is an apocalyptic number.

It is an amenable number.

65376975428 is a deficient number, since it is larger than the sum of its proper divisors (49032731578).

65376975428 is a wasteful number, since it uses less digits than its factorization.

65376975428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16344243861 (or 16344243859 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 62.

The spelling of 65376975428 in words is "sixty-five billion, three hundred seventy-six million, nine hundred seventy-five thousand, four hundred twenty-eight".