13264196381 has 4 divisors (see below), whose sum is σ = 13962312000. Its totient is φ = 12566080764.

The previous prime is 13264196359. The next prime is 13264196383. The reversal of 13264196381 is 18369146231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13264196381 - 2³⁰ = 12190454557 is a prime.

It is a super-2 number, since 2×13264196381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264196383) 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, 349057781 + ... + 349057818.

It is an arithmetic number, because the mean of its divisors is an integer number (3490578000).

Almost surely, 2^13264196381 is an apocalyptic number.

It is an amenable number.

13264196381 is a deficient number, since it is larger than the sum of its proper divisors (698115619).

13264196381 is an equidigital number, since it uses as much as digits as its factorization.

13264196381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698115618.

The product of its digits is 186624, while the sum is 44.

The spelling of 13264196381 in words is "thirteen billion, two hundred sixty-four million, one hundred ninety-six thousand, three hundred eighty-one".