21470657024053 has 2 divisors, whose sum is σ = 21470657024054. Its totient is φ = 21470657024052.

The previous prime is 21470657024027. The next prime is 21470657024057. The reversal of 21470657024053 is 35042075607412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19067047095889 + 2403609928164 = 4366583^2 + 1550358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21470657024053 is a prime.

It is a super-2 number, since 2×21470657024053² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21470657023994 and 21470657024012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21470657024057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10735328512026 + 10735328512027.

It is an arithmetic number, because the mean of its divisors is an integer number (10735328512027).

Almost surely, 2^{21470657024053} is an apocalyptic number.

It is an amenable number.

21470657024053 is a deficient number, since it is larger than the sum of its proper divisors (1).

21470657024053 is an equidigital number, since it uses as much as digits as its factorization.

21470657024053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 21470657024053 in words is "twenty-one trillion, four hundred seventy billion, six hundred fifty-seven million, twenty-four thousand, fifty-three".