13145641896 has 32 divisors (see below), whose sum is σ = 32976286560. Its totient is φ = 4366923072.

The previous prime is 13145641877. The next prime is 13145641897. The reversal of 13145641896 is 69814654131.

It is not an unprimeable number, because it can be changed into a prime (13145641897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927670 + ... + 941733.

It is an arithmetic number, because the mean of its divisors is an integer number (1030508955).

Almost surely, 2^13145641896 is an apocalyptic number.

It is an amenable number.

13145641896 is an abundant number, since it is smaller than the sum of its proper divisors (19830644664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13145641896 is a wasteful number, since it uses less digits than its factorization.

13145641896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869705 (or 1869701 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 13145641896 in words is "thirteen billion, one hundred forty-five million, six hundred forty-one thousand, eight hundred ninety-six".