14129248961 has 2 divisors, whose sum is σ = 14129248962. Its totient is φ = 14129248960.

The previous prime is 14129248957. The next prime is 14129249009. The reversal of 14129248961 is 16984292141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11999887936 + 2129361025 = 109544^2 + 46145^2 .

It is a cyclic number.

It is not a de Polignac number, because 14129248961 - 2² = 14129248957 is a prime.

It is not a weakly prime, because it can be changed into another prime (14129248921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7064624480 + 7064624481.

It is an arithmetic number, because the mean of its divisors is an integer number (7064624481).

Almost surely, 2^14129248961 is an apocalyptic number.

It is an amenable number.

14129248961 is a deficient number, since it is larger than the sum of its proper divisors (1).

14129248961 is an equidigital number, since it uses as much as digits as its factorization.

14129248961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The spelling of 14129248961 in words is "fourteen billion, one hundred twenty-nine million, two hundred forty-eight thousand, nine hundred sixty-one".