13421057959 has 2 divisors, whose sum is σ = 13421057960. Its totient is φ = 13421057958.

The previous prime is 13421057941. The next prime is 13421057963. The reversal of 13421057959 is 95975012431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13421057959 - 2⁷ = 13421057831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421057159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710528979 + 6710528980.

It is an arithmetic number, because the mean of its divisors is an integer number (6710528980).

Almost surely, 2^13421057959 is an apocalyptic number.

13421057959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421057959 is an equidigital number, since it uses as much as digits as its factorization.

13421057959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 13421057959 in words is "thirteen billion, four hundred twenty-one million, fifty-seven thousand, nine hundred fifty-nine".