3640964061375 has 48 divisors (see below), whose sum is σ = 6789770282880. Its totient is φ = 1874887224000.

The previous prime is 3640964061353. The next prime is 3640964061437. The reversal of 3640964061375 is 5731604690463.

3640964061375 is a `hidden beast` number, since 36 + 40 + 96 + 406 + 13 + 75 = 666.

It is not a de Polignac number, because 3640964061375 - 2⁶ = 3640964061311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55767591 + ... + 55832840.

It is an arithmetic number, because the mean of its divisors is an integer number (141453547560).

Almost surely, 2^{3640964061375} is an apocalyptic number.

3640964061375 is a deficient number, since it is larger than the sum of its proper divisors (3148806221505).

3640964061375 is a wasteful number, since it uses less digits than its factorization.

3640964061375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111600481 (or 111600468 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 3640964061375 in words is "three trillion, six hundred forty billion, nine hundred sixty-four million, sixty-one thousand, three hundred seventy-five".