21433075462513 has 32 divisors (see below), whose sum is σ = 25216133564160. Its totient is φ = 17960080803840.

The previous prime is 21433075462471. The next prime is 21433075462537. The reversal of 21433075462513 is 31526457033412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21433075462513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21433075462583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 634679893 + ... + 634713661.

It is an arithmetic number, because the mean of its divisors is an integer number (788004173880).

Almost surely, 2^{21433075462513} is an apocalyptic number.

It is an amenable number.

21433075462513 is a deficient number, since it is larger than the sum of its proper divisors (3783058101647).

21433075462513 is a wasteful number, since it uses less digits than its factorization.

21433075462513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40009.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 21433075462513 in words is "twenty-one trillion, four hundred thirty-three billion, seventy-five million, four hundred sixty-two thousand, five hundred thirteen".