13020881479 has 2 divisors, whose sum is σ = 13020881480. Its totient is φ = 13020881478.

The previous prime is 13020881449. The next prime is 13020881483. The reversal of 13020881479 is 97418802031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13020881479 - 2¹⁹ = 13020357191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020881449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510440739 + 6510440740.

It is an arithmetic number, because the mean of its divisors is an integer number (6510440740).

Almost surely, 2^13020881479 is an apocalyptic number.

13020881479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020881479 is an equidigital number, since it uses as much as digits as its factorization.

13020881479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 13020881479 in words is "thirteen billion, twenty million, eight hundred eighty-one thousand, four hundred seventy-nine".