64492910494425 has 216 divisors, whose sum is σ = 139057811605440. Its totient is φ = 28455422688000.

The previous prime is 64492910494409. The next prime is 64492910494469. The reversal of 64492910494425 is 52449401929446.

64492910494425 is a `hidden beast` number, since 6 + 4 + 4 + 92 + 9 + 10 + 494 + 42 + 5 = 666.

It is not a de Polignac number, because 64492910494425 - 2⁴ = 64492910494409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 908942700 + ... + 909013650.

It is an arithmetic number, because the mean of its divisors is an integer number (643786164840).

Almost surely, 2^{64492910494425} is an apocalyptic number.

It is an amenable number.

64492910494425 is an abundant number, since it is smaller than the sum of its proper divisors (74564901111015).

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

64492910494425 is a wasteful number, since it uses less digits than its factorization.

64492910494425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73853 (or 73838 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 64492910494425 in words is "sixty-four trillion, four hundred ninety-two billion, nine hundred ten million, four hundred ninety-four thousand, four hundred twenty-five".