21410524739 has 2 divisors, whose sum is σ = 21410524740. Its totient is φ = 21410524738.

The previous prime is 21410524721. The next prime is 21410524771. The reversal of 21410524739 is 93742501412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21410524739 - 2⁸ = 21410524483 is a prime.

It is not a weakly prime, because it can be changed into another prime (21410524939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705262369 + 10705262370.

It is an arithmetic number, because the mean of its divisors is an integer number (10705262370).

Almost surely, 2^21410524739 is an apocalyptic number.

21410524739 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410524739 is an equidigital number, since it uses as much as digits as its factorization.

21410524739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 21410524739 in words is "twenty-one billion, four hundred ten million, five hundred twenty-four thousand, seven hundred thirty-nine".