122949629692913 has 2 divisors, whose sum is σ = 122949629692914. Its totient is φ = 122949629692912.

The previous prime is 122949629692837. The next prime is 122949629692933. The reversal of 122949629692913 is 319296926949221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105847203274849 + 17102426418064 = 10288207^2 + 4135508^2 .

It is a cyclic number.

It is not a de Polignac number, because 122949629692913 - 2¹⁸ = 122949629430769 is a prime.

It is a super-2 number, since 2×122949629692913² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122949629692933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61474814846456 + 61474814846457.

It is an arithmetic number, because the mean of its divisors is an integer number (61474814846457).

Almost surely, 2^{122949629692913} is an apocalyptic number.

It is an amenable number.

122949629692913 is a deficient number, since it is larger than the sum of its proper divisors (1).

122949629692913 is an equidigital number, since it uses as much as digits as its factorization.

122949629692913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408146688, while the sum is 74.

The spelling of 122949629692913 in words is "one hundred twenty-two trillion, nine hundred forty-nine billion, six hundred twenty-nine million, six hundred ninety-two thousand, nine hundred thirteen".