29981199522 has 32 divisors (see below), whose sum is σ = 62615825280. Its totient is φ = 9552139520.

The previous prime is 29981199481. The next prime is 29981199551. The reversal of 29981199522 is 22599118992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108004 + ... + 267632.

It is an arithmetic number, because the mean of its divisors is an integer number (1956744540).

Almost surely, 2^29981199522 is an apocalyptic number.

29981199522 is an abundant number, since it is smaller than the sum of its proper divisors (32634625758).

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

29981199522 is a wasteful number, since it uses less digits than its factorization.

29981199522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161018.

The product of its digits is 2099520, while the sum is 57.

It can be divided in two parts, 29981 and 199522, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 29981199522 in words is "twenty-nine billion, nine hundred eighty-one million, one hundred ninety-nine thousand, five hundred twenty-two".