21413102863 has 2 divisors, whose sum is σ = 21413102864. Its totient is φ = 21413102862.

The previous prime is 21413102849. The next prime is 21413102881. The reversal of 21413102863 is 36820131412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21413102863 - 2⁵ = 21413102831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21413102803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10706551431 + 10706551432.

It is an arithmetic number, because the mean of its divisors is an integer number (10706551432).

Almost surely, 2^21413102863 is an apocalyptic number.

21413102863 is a deficient number, since it is larger than the sum of its proper divisors (1).

21413102863 is an equidigital number, since it uses as much as digits as its factorization.

21413102863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 21413102863 in words is "twenty-one billion, four hundred thirteen million, one hundred two thousand, eight hundred sixty-three".