29442997613 has 32 divisors (see below), whose sum is σ = 32143184640. Its totient is φ = 26896629760.

The previous prime is 29442997609. The next prime is 29442997637. The reversal of 29442997613 is 31679924492.

It is not a de Polignac number, because 29442997613 - 2² = 29442997609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29442997013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8842733 + ... + 8846061.

It is an arithmetic number, because the mean of its divisors is an integer number (1004474520).

Almost surely, 2^29442997613 is an apocalyptic number.

29442997613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

29442997613 is a deficient number, since it is larger than the sum of its proper divisors (2700187027).

29442997613 is a wasteful number, since it uses less digits than its factorization.

29442997613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its digits is 5878656, while the sum is 56.

The spelling of 29442997613 in words is "twenty-nine billion, four hundred forty-two million, nine hundred ninety-seven thousand, six hundred thirteen".