21525633652483 has 2 divisors, whose sum is σ = 21525633652484. Its totient is φ = 21525633652482.

The previous prime is 21525633652469. The next prime is 21525633652529. The reversal of 21525633652483 is 38425633652512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21525633652483 - 2⁵ = 21525633652451 is a prime.

It is not a weakly prime, because it can be changed into another prime (21525639652483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10762816826241 + 10762816826242.

It is an arithmetic number, because the mean of its divisors is an integer number (10762816826242).

Almost surely, 2^{21525633652483} is an apocalyptic number.

21525633652483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21525633652483 is an equidigital number, since it uses as much as digits as its factorization.

21525633652483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104000, while the sum is 55.

The spelling of 21525633652483 in words is "twenty-one trillion, five hundred twenty-five billion, six hundred thirty-three million, six hundred fifty-two thousand, four hundred eighty-three".