2152624260421 has 2 divisors, whose sum is σ = 2152624260422. Its totient is φ = 2152624260420.

The previous prime is 2152624260349. The next prime is 2152624260467. The reversal of 2152624260421 is 1240624262512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2054523756321 + 98100504100 = 1433361^2 + 313210^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152624260421 - 2⁹ = 2152624259909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152624260481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076312130210 + 1076312130211.

It is an arithmetic number, because the mean of its divisors is an integer number (1076312130211).

Almost surely, 2^{2152624260421} is an apocalyptic number.

It is an amenable number.

2152624260421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152624260421 is an equidigital number, since it uses as much as digits as its factorization.

2152624260421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 2152624260421 in words is "two trillion, one hundred fifty-two billion, six hundred twenty-four million, two hundred sixty thousand, four hundred twenty-one".