13900026769 has 2 divisors, whose sum is σ = 13900026770. Its totient is φ = 13900026768.

The previous prime is 13900026757. The next prime is 13900026773. The reversal of 13900026769 is 96762000931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9853540225 + 4046486544 = 99265^2 + 63612^2 .

It is a cyclic number.

It is not a de Polignac number, because 13900026769 - 2⁷ = 13900026641 is a prime.

It is a super-2 number, since 2×13900026769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13900026739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950013384 + 6950013385.

It is an arithmetic number, because the mean of its divisors is an integer number (6950013385).

Almost surely, 2^13900026769 is an apocalyptic number.

It is an amenable number.

13900026769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13900026769 is an equidigital number, since it uses as much as digits as its factorization.

13900026769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 13900026769 in words is "thirteen billion, nine hundred million, twenty-six thousand, seven hundred sixty-nine".