13404265387 has 2 divisors, whose sum is σ = 13404265388. Its totient is φ = 13404265386.

The previous prime is 13404265373. The next prime is 13404265409. The reversal of 13404265387 is 78356240431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13404265387 - 2¹¹ = 13404263339 is a prime.

It is not a weakly prime, because it can be changed into another prime (13404265307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702132693 + 6702132694.

It is an arithmetic number, because the mean of its divisors is an integer number (6702132694).

Almost surely, 2^13404265387 is an apocalyptic number.

13404265387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13404265387 is an equidigital number, since it uses as much as digits as its factorization.

13404265387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 13404265387 in words is "thirteen billion, four hundred four million, two hundred sixty-five thousand, three hundred eighty-seven".