13770959639 has 2 divisors, whose sum is σ = 13770959640. Its totient is φ = 13770959638.

The previous prime is 13770959603. The next prime is 13770959677. The reversal of 13770959639 is 93695907731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13770959639 - 2⁸ = 13770959383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13770959239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6885479819 + 6885479820.

It is an arithmetic number, because the mean of its divisors is an integer number (6885479820).

Almost surely, 2^13770959639 is an apocalyptic number.

13770959639 is a deficient number, since it is larger than the sum of its proper divisors (1).

13770959639 is an equidigital number, since it uses as much as digits as its factorization.

13770959639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9644670, while the sum is 59.

The spelling of 13770959639 in words is "thirteen billion, seven hundred seventy million, nine hundred fifty-nine thousand, six hundred thirty-nine".