13900627589 has 2 divisors, whose sum is σ = 13900627590. Its totient is φ = 13900627588.

The previous prime is 13900627493. The next prime is 13900627607. The reversal of 13900627589 is 98572600931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7047602500 + 6853025089 = 83950^2 + 82783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13900627589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13900627189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950313794 + 6950313795.

It is an arithmetic number, because the mean of its divisors is an integer number (6950313795).

Almost surely, 2^13900627589 is an apocalyptic number.

It is an amenable number.

13900627589 is a deficient number, since it is larger than the sum of its proper divisors (1).

13900627589 is an equidigital number, since it uses as much as digits as its factorization.

13900627589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 13900627589 in words is "thirteen billion, nine hundred million, six hundred twenty-seven thousand, five hundred eighty-nine".