9964503761372 has 12 divisors (see below), whose sum is σ = 18355664823720. Its totient is φ = 4720028097456.

The previous prime is 9964503761371. The next prime is 9964503761393. The reversal of 9964503761372 is 2731673054699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964503761371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65555945723 + ... + 65555945874.

It is an arithmetic number, because the mean of its divisors is an integer number (1529638735310).

Almost surely, 2^{9964503761372} is an apocalyptic number.

It is an amenable number.

9964503761372 is a deficient number, since it is larger than the sum of its proper divisors (8391161062348).

9964503761372 is a wasteful number, since it uses less digits than its factorization.

9964503761372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131111891620 (or 131111891618 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 62.

The spelling of 9964503761372 in words is "nine trillion, nine hundred sixty-four billion, five hundred three million, seven hundred sixty-one thousand, three hundred seventy-two".