64532498137470 has 80 divisors (see below), whose sum is σ = 189295327896048. Its totient is φ = 15644241970560.

The previous prime is 64532498137433. The next prime is 64532498137483. The reversal of 64532498137470 is 7473189423546.

64532498137470 is a `hidden beast` number, since 6 + 4 + 5 + 3 + 2 + 498 + 1 + 3 + 74 + 70 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64532498137398 and 64532498137407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3621343399 + ... + 3621361218.

It is a 1-persistent number, because it is pandigital, but 2⋅64532498137470 = 129064996274940 is not.

Almost surely, 2^{64532498137470} is an apocalyptic number.

64532498137470 is an abundant number, since it is smaller than the sum of its proper divisors (124762829758578).

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

64532498137470 is a wasteful number, since it uses less digits than its factorization.

64532498137470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242704647 (or 7242704638 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 64532498137470 in words is "sixty-four trillion, five hundred thirty-two billion, four hundred ninety-eight million, one hundred thirty-seven thousand, four hundred seventy".