64532498137450 has 48 divisors (see below), whose sum is σ = 137180304612864. Its totient is φ = 22125000283200.

The previous prime is 64532498137433. The next prime is 64532498137483. The reversal of 64532498137450 is 5473189423546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16623232 + ... + 20134468.

It is an arithmetic number, because the mean of its divisors is an integer number (2857923012768).

It is a 1-persistent number, because it is pandigital, but 2⋅64532498137450 = 129064996274900 is not.

Almost surely, 2^{64532498137450} is an apocalyptic number.

64532498137450 is an abundant number, since it is smaller than the sum of its proper divisors (72647806475414).

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

64532498137450 is a wasteful number, since it uses less digits than its factorization.

64532498137450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563767 (or 3563762 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 64532498137450 in words is "sixty-four trillion, five hundred thirty-two billion, four hundred ninety-eight million, one hundred thirty-seven thousand, four hundred fifty".