13433676634 has 20 divisors (see below), whose sum is σ = 23507543754. Its totient is φ = 5757287928.

The previous prime is 13433676601. The next prime is 13433676637. The reversal of 13433676634 is 43667633431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11047061025 + 2386615609 = 105105^2 + 48853^2 .

It is not an unprimeable number, because it can be changed into a prime (13433676637) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1393957 + ... + 1403560.

Almost surely, 2^13433676634 is an apocalyptic number.

13433676634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13433676634 is a deficient number, since it is larger than the sum of its proper divisors (10073867120).

13433676634 is an frugal number, since it uses more digits than its factorization.

13433676634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797547 (or 2797526 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 46.

The spelling of 13433676634 in words is "thirteen billion, four hundred thirty-three million, six hundred seventy-six thousand, six hundred thirty-four".