299837900421 has 16 divisors (see below), whose sum is σ = 444740161600. Its totient is φ = 199650794544.

The previous prime is 299837900357. The next prime is 299837900471. The reversal of 299837900421 is 124009738992.

It is not a de Polignac number, because 299837900421 - 2⁶ = 299837900357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299837900471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6675511 + ... + 6720276.

It is an arithmetic number, because the mean of its divisors is an integer number (27796260100).

Almost surely, 2^299837900421 is an apocalyptic number.

It is an amenable number.

299837900421 is a deficient number, since it is larger than the sum of its proper divisors (144902261179).

299837900421 is a wasteful number, since it uses less digits than its factorization.

299837900421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13396625 (or 13396619 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 299837900421 in words is "two hundred ninety-nine billion, eight hundred thirty-seven million, nine hundred thousand, four hundred twenty-one".