29749599253 has 4 divisors (see below), whose sum is σ = 32454108288. Its totient is φ = 27045090220.

The previous prime is 29749599211. The next prime is 29749599301. The reversal of 29749599253 is 35299594792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29749599253 - 2²¹ = 29747502101 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 (29749599053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352254501 + ... + 1352254522.

It is an arithmetic number, because the mean of its divisors is an integer number (8113527072).

Almost surely, 2^29749599253 is an apocalyptic number.

It is an amenable number.

29749599253 is a deficient number, since it is larger than the sum of its proper divisors (2704509035).

29749599253 is a wasteful number, since it uses less digits than its factorization.

29749599253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704509034.

The product of its digits is 55112400, while the sum is 64.

The spelling of 29749599253 in words is "twenty-nine billion, seven hundred forty-nine million, five hundred ninety-nine thousand, two hundred fifty-three".