13293867385 has 8 divisors (see below), whose sum is σ = 15964948296. Its totient is φ = 10626888960.

The previous prime is 13293867371. The next prime is 13293867397. The reversal of 13293867385 is 58376839231.

It can be written as a sum of positive squares in 4 ways, for example, as 9767764224 + 3526103161 = 98832^2 + 59381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13293867385 - 2³¹ = 11146383737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018486 + ... + 1031455.

It is an arithmetic number, because the mean of its divisors is an integer number (1995618537).

Almost surely, 2^13293867385 is an apocalyptic number.

It is an amenable number.

13293867385 is a deficient number, since it is larger than the sum of its proper divisors (2671080911).

13293867385 is a wasteful number, since it uses less digits than its factorization.

13293867385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051243.

The product of its digits is 6531840, while the sum is 55.

The spelling of 13293867385 in words is "thirteen billion, two hundred ninety-three million, eight hundred sixty-seven thousand, three hundred eighty-five".