21652432612003 has 2 divisors, whose sum is σ = 21652432612004. Its totient is φ = 21652432612002.

The previous prime is 21652432611919. The next prime is 21652432612033. The reversal of 21652432612003 is 30021623425612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21652432612003 - 2³³ = 21643842677411 is a prime.

It is not a weakly prime, because it can be changed into another prime (21652432612033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10826216306001 + 10826216306002.

It is an arithmetic number, because the mean of its divisors is an integer number (10826216306002).

Almost surely, 2^{21652432612003} is an apocalyptic number.

21652432612003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21652432612003 is an equidigital number, since it uses as much as digits as its factorization.

21652432612003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 21652432612003 in words is "twenty-one trillion, six hundred fifty-two billion, four hundred thirty-two million, six hundred twelve thousand, three".