13851429929 has 2 divisors, whose sum is σ = 13851429930. Its totient is φ = 13851429928.

The previous prime is 13851429883. The next prime is 13851429953. The reversal of 13851429929 is 92992415831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8793375529 + 5058054400 = 93773^2 + 71120^2 .

It is a cyclic number.

It is not a de Polignac number, because 13851429929 - 2²⁸ = 13582994473 is a prime.

It is a super-2 number, since 2×13851429929² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13851429329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925714964 + 6925714965.

It is an arithmetic number, because the mean of its divisors is an integer number (6925714965).

Almost surely, 2^13851429929 is an apocalyptic number.

It is an amenable number.

13851429929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13851429929 is an equidigital number, since it uses as much as digits as its factorization.

13851429929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The spelling of 13851429929 in words is "thirteen billion, eight hundred fifty-one million, four hundred twenty-nine thousand, nine hundred twenty-nine".