64612397328903 has 12 divisors (see below), whose sum is σ = 93329111224440. Its totient is φ = 43074888693936.

The previous prime is 64612397328883. The next prime is 64612397328907. The reversal of 64612397328903 is 30982379321646.

64612397328903 is a `hidden beast` number, since 6 + 4 + 612 + 3 + 9 + 7 + 3 + 2 + 8 + 9 + 0 + 3 = 666.

It is not a de Polignac number, because 64612397328903 - 2⁶ = 64612397328839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64612397328907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7923625 + ... + 13856717.

It is an arithmetic number, because the mean of its divisors is an integer number (7777425935370).

Almost surely, 2^{64612397328903} is an apocalyptic number.

64612397328903 is a deficient number, since it is larger than the sum of its proper divisors (28716713895537).

64612397328903 is a wasteful number, since it uses less digits than its factorization.

64612397328903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143118 (or 7143115 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 64612397328903 in words is "sixty-four trillion, six hundred twelve billion, three hundred ninety-seven million, three hundred twenty-eight thousand, nine hundred three".