336670037021 has 2 divisors, whose sum is σ = 336670037022. Its totient is φ = 336670037020.

The previous prime is 336670037017. The next prime is 336670037023. The reversal of 336670037021 is 120730076633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302153599225 + 34516437796 = 549685^2 + 185786^2 .

It is a cyclic number.

It is not a de Polignac number, because 336670037021 - 2² = 336670037017 is a prime.

It is a super-2 number, since 2×336670037021² (a number of 24 digits) contains 22 as substring.

Together with 336670037023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336670037023) by changing a digit.

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 as a sum of consecutive naturals, namely, 168335018510 + 168335018511.

It is an arithmetic number, because the mean of its divisors is an integer number (168335018511).

Almost surely, 2^336670037021 is an apocalyptic number.

It is an amenable number.

336670037021 is a deficient number, since it is larger than the sum of its proper divisors (1).

336670037021 is an equidigital number, since it uses as much as digits as its factorization.

336670037021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 336670037021 in words is "three hundred thirty-six billion, six hundred seventy million, thirty-seven thousand, twenty-one".