13458851807 has 2 divisors, whose sum is σ = 13458851808. Its totient is φ = 13458851806.

The previous prime is 13458851767. The next prime is 13458851821. The reversal of 13458851807 is 70815885431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13458851807 - 2⁸ = 13458851551 is a prime.

It is a super-2 number, since 2×13458851807² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13458857807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6729425903 + 6729425904.

It is an arithmetic number, because the mean of its divisors is an integer number (6729425904).

Almost surely, 2^13458851807 is an apocalyptic number.

13458851807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13458851807 is an equidigital number, since it uses as much as digits as its factorization.

13458851807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 13458851807 in words is "thirteen billion, four hundred fifty-eight million, eight hundred fifty-one thousand, eight hundred seven".