299490013922 has 54 divisors (see below), whose sum is σ = 499509216801. Its totient is φ = 134572339440.

The previous prime is 299490013913. The next prime is 299490013939. The reversal of 299490013922 is 229310094992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 262860264601 + 36629749321 = 512699^2 + 191389^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=386969.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1081191248 + ... + 1081191524.

Almost surely, 2^299490013922 is an apocalyptic number.

299490013922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

299490013922 is a deficient number, since it is larger than the sum of its proper divisors (200019202879).

299490013922 is an equidigital number, since it uses as much as digits as its factorization.

299490013922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 50.

Multiplying 299490013922 by its sum of digits (50), we get a square (14974500696100 = 3869690²).

The spelling of 299490013922 in words is "two hundred ninety-nine billion, four hundred ninety million, thirteen thousand, nine hundred twenty-two".