13215629279 has 2 divisors, whose sum is σ = 13215629280. Its totient is φ = 13215629278.

The previous prime is 13215629257. The next prime is 13215629291. The reversal of 13215629279 is 97292651231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13215629279 - 2³² = 8920661983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13215629299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607814639 + 6607814640.

It is an arithmetic number, because the mean of its divisors is an integer number (6607814640).

Almost surely, 2^13215629279 is an apocalyptic number.

13215629279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215629279 is an equidigital number, since it uses as much as digits as its factorization.

13215629279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The spelling of 13215629279 in words is "thirteen billion, two hundred fifteen million, six hundred twenty-nine thousand, two hundred seventy-nine".