13061864906 has 16 divisors (see below), whose sum is σ = 20651949600. Its totient is φ = 6178813488.

The previous prime is 13061864873. The next prime is 13061864909. The reversal of 13061864906 is 60946816031.

It is a happy number.

It is a super-2 number, since 2×13061864906² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13061864909) 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, 204485 + ... + 260648.

It is an arithmetic number, because the mean of its divisors is an integer number (1290746850).

Almost surely, 2^13061864906 is an apocalyptic number.

13061864906 is a deficient number, since it is larger than the sum of its proper divisors (7590084694).

13061864906 is a wasteful number, since it uses less digits than its factorization.

13061864906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465893.

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

The spelling of 13061864906 in words is "thirteen billion, sixty-one million, eight hundred sixty-four thousand, nine hundred six".