13047939546 has 16 divisors (see below), whose sum is σ = 26098965504. Its totient is φ = 4348798784.

The previous prime is 13047939533. The next prime is 13047939547. The reversal of 13047939546 is 64593974031.

It is a super-2 number, since 2×13047939546² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13047939547) 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, 71706 + ... + 176741.

It is an arithmetic number, because the mean of its divisors is an integer number (1631185344).

Almost surely, 2^13047939546 is an apocalyptic number.

13047939546 is an abundant number, since it is smaller than the sum of its proper divisors (13051025958).

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

13047939546 is a wasteful number, since it uses less digits than its factorization.

13047939546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257205.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 13047939546 in words is "thirteen billion, forty-seven million, nine hundred thirty-nine thousand, five hundred forty-six".