29997985019748 has 24 divisors (see below), whose sum is σ = 69996132813600. Its totient is φ = 9999209135040.

The previous prime is 29997985019711. The next prime is 29997985019749. The reversal of 29997985019748 is 84791058979992.

It is not an unprimeable number, because it can be changed into a prime (29997985019749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13849098 + ... + 15868001.

It is an arithmetic number, because the mean of its divisors is an integer number (2916505533900).

Almost surely, 2^{29997985019748} is an apocalyptic number.

It is an amenable number.

29997985019748 is an abundant number, since it is smaller than the sum of its proper divisors (39998147793852).

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

29997985019748 is a wasteful number, since it uses less digits than its factorization.

29997985019748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29801227 (or 29801225 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 87.

The spelling of 29997985019748 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred eighty-five million, nineteen thousand, seven hundred forty-eight".