13629439297 has 2 divisors, whose sum is σ = 13629439298. Its totient is φ = 13629439296.

The previous prime is 13629439277. The next prime is 13629439333. The reversal of 13629439297 is 79293492631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11050424641 + 2579014656 = 105121^2 + 50784^2 .

It is a cyclic number.

It is not a de Polignac number, because 13629439297 - 2¹⁵ = 13629406529 is a prime.

It is not a weakly prime, because it can be changed into another prime (13629439207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6814719648 + 6814719649.

It is an arithmetic number, because the mean of its divisors is an integer number (6814719649).

Almost surely, 2^13629439297 is an apocalyptic number.

It is an amenable number.

13629439297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13629439297 is an equidigital number, since it uses as much as digits as its factorization.

13629439297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 55.

The spelling of 13629439297 in words is "thirteen billion, six hundred twenty-nine million, four hundred thirty-nine thousand, two hundred ninety-seven".