13447722735 has 32 divisors (see below), whose sum is σ = 23934228480. Its totient is φ = 7163969184.

The previous prime is 13447722719. The next prime is 13447722763. The reversal of 13447722735 is 53722774431.

It is not a de Polignac number, because 13447722735 - 2⁴ = 13447722719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63594 + ... + 175896.

It is an arithmetic number, because the mean of its divisors is an integer number (747944640).

Almost surely, 2^13447722735 is an apocalyptic number.

13447722735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13447722735 is a deficient number, since it is larger than the sum of its proper divisors (10486505745).

13447722735 is a wasteful number, since it uses less digits than its factorization.

13447722735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113204 (or 113198 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The spelling of 13447722735 in words is "thirteen billion, four hundred forty-seven million, seven hundred twenty-two thousand, seven hundred thirty-five".