369418424621 has 2 divisors, whose sum is σ = 369418424622. Its totient is φ = 369418424620.

The previous prime is 369418424597. The next prime is 369418424647. The reversal of 369418424621 is 126424814963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369407468521 + 10956100 = 607789^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 369418424621 - 2³⁴ = 352238555437 is a prime.

It is a super-2 number, since 2×369418424621² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 369418424621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (369418426621) 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, 184709212310 + 184709212311.

It is an arithmetic number, because the mean of its divisors is an integer number (184709212311).

Almost surely, 2^369418424621 is an apocalyptic number.

It is an amenable number.

369418424621 is a deficient number, since it is larger than the sum of its proper divisors (1).

369418424621 is an equidigital number, since it uses as much as digits as its factorization.

369418424621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 50.

The spelling of 369418424621 in words is "three hundred sixty-nine billion, four hundred eighteen million, four hundred twenty-four thousand, six hundred twenty-one".