13093467257 has 4 divisors (see below), whose sum is σ = 14100657060. Its totient is φ = 12086277456.

The previous prime is 13093467251. The next prime is 13093467263. The reversal of 13093467257 is 75276439031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75276439031 = 42433 ⋅1774007.

It is an interprime number because it is at equal distance from previous prime (13093467251) and next prime (13093467263).

It can be written as a sum of positive squares in 2 ways, for example, as 5433016681 + 7660450576 = 73709^2 + 87524^2 .

It is a cyclic number.

It is not a de Polignac number, because 13093467257 - 2⁸ = 13093467001 is a prime.

It is a super-2 number, since 2×13093467257² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13093467251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503594882 + ... + 503594907.

It is an arithmetic number, because the mean of its divisors is an integer number (3525164265).

Almost surely, 2^13093467257 is an apocalyptic number.

It is an amenable number.

13093467257 is a deficient number, since it is larger than the sum of its proper divisors (1007189803).

13093467257 is a wasteful number, since it uses less digits than its factorization.

13093467257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007189802.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 13093467257 in words is "thirteen billion, ninety-three million, four hundred sixty-seven thousand, two hundred fifty-seven".