29902018084 has 9 divisors (see below), whose sum is σ = 52329136881. Its totient is φ = 14950836120.

The previous prime is 29902018057. The next prime is 29902018093. The reversal of 29902018084 is 48081020992.

The square root of 29902018084 is 172922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29867443684 + 34574400 = 172822^2 + 5880^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29902018084.

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 2 ways as a sum of consecutive naturals, for example, 302614 + ... + 389074.

Almost surely, 2^29902018084 is an apocalyptic number.

29902018084 is the 172922-nd square number.

It is an amenable number.

29902018084 is a deficient number, since it is larger than the sum of its proper divisors (22427118797).

29902018084 is an frugal number, since it uses more digits than its factorization.

29902018084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172926 (or 86463 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 29902018084 in words is "twenty-nine billion, nine hundred two million, eighteen thousand, eighty-four".