21514414024379 has 2 divisors, whose sum is σ = 21514414024380. Its totient is φ = 21514414024378.

The previous prime is 21514414024357. The next prime is 21514414024387. The reversal of 21514414024379 is 97342041441512.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21514414024379 is a prime.

It is not a weakly prime, because it can be changed into another prime (21514414026379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10757207012189 + 10757207012190.

It is an arithmetic number, because the mean of its divisors is an integer number (10757207012190).

Almost surely, 2^{21514414024379} is an apocalyptic number.

21514414024379 is a deficient number, since it is larger than the sum of its proper divisors (1).

21514414024379 is an equidigital number, since it uses as much as digits as its factorization.

21514414024379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 21514414024379 in words is "twenty-one trillion, five hundred fourteen billion, four hundred fourteen million, twenty-four thousand, three hundred seventy-nine".