29397749052 has 96 divisors (see below), whose sum is σ = 83047168512. Its totient is φ = 7901300736.

The previous prime is 29397749039. The next prime is 29397749057. The reversal of 29397749052 is 25094779392.

It is a junction number, because it is equal to n+sod(n) for n = 29397748983 and 29397749001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29397749057) 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, 3827488 + ... + 3835160.

It is an arithmetic number, because the mean of its divisors is an integer number (865074672).

Almost surely, 2^29397749052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29397749052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41523584256).

29397749052 is an abundant number, since it is smaller than the sum of its proper divisors (53649419460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29397749052 is a wasteful number, since it uses less digits than its factorization.

29397749052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387 (or 10385 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 29397749052 in words is "twenty-nine billion, three hundred ninety-seven million, seven hundred forty-nine thousand, fifty-two".