365993149 has 2 divisors, whose sum is σ = 365993150. Its totient is φ = 365993148.

The previous prime is 365993141. The next prime is 365993209. The reversal of 365993149 is 941399563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349428249 + 16564900 = 18693^2 + 4070^2 .

It is a cyclic number.

It is not a de Polignac number, because 365993149 - 2³ = 365993141 is a prime.

It is a super-2 number, since 2×365993149² = 267901970229872402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (365993141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182996574 + 182996575.

It is an arithmetic number, because the mean of its divisors is an integer number (182996575).

Almost surely, 2^365993149 is an apocalyptic number.

It is an amenable number.

365993149 is a deficient number, since it is larger than the sum of its proper divisors (1).

365993149 is an equidigital number, since it uses as much as digits as its factorization.

365993149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 49.

The square root of 365993149 is about 19130.9474151177. The cubic root of 365993149 is about 715.3045462868.

The spelling of 365993149 in words is "three hundred sixty-five million, nine hundred ninety-three thousand, one hundred forty-nine".