13005451634 has 16 divisors (see below), whose sum is σ = 22298286528. Its totient is φ = 5572958352.

The previous prime is 13005451619. The next prime is 13005451649. The reversal of 13005451634 is 43615450031.

It is an interprime number because it is at equal distance from previous prime (13005451619) and next prime (13005451649).

It is a self number, because there is not a number n which added to its sum of digits gives 13005451634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38732 + ... + 165864.

It is an arithmetic number, because the mean of its divisors is an integer number (1393642908).

Almost surely, 2^13005451634 is an apocalyptic number.

13005451634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13005451634 is a deficient number, since it is larger than the sum of its proper divisors (9292834894).

13005451634 is a wasteful number, since it uses less digits than its factorization.

13005451634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134449.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 13005451634 in words is "thirteen billion, five million, four hundred fifty-one thousand, six hundred thirty-four".