29997465390532 has 24 divisors (see below), whose sum is σ = 52578907912440. Its totient is φ = 14974938746880.

The previous prime is 29997465390517. The next prime is 29997465390533. The reversal of 29997465390532 is 23509356479992.

It can be written as a sum of positive squares in 4 ways, for example, as 3620777231556 + 26376688158976 = 1902834^2 + 5135824^2 .

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29997465390533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190644 + ... + 8806612.

It is an arithmetic number, because the mean of its divisors is an integer number (2190787829685).

Almost surely, 2^{29997465390532} is an apocalyptic number.

It is an amenable number.

29997465390532 is a deficient number, since it is larger than the sum of its proper divisors (22581442521908).

29997465390532 is a wasteful number, since it uses less digits than its factorization.

29997465390532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618551 (or 4618549 counting only the distinct ones).

The product of its (nonzero) digits is 992023200, while the sum is 73.

The spelling of 29997465390532 in words is "twenty-nine trillion, nine hundred ninety-seven billion, four hundred sixty-five million, three hundred ninety thousand, five hundred thirty-two".