377440993 has 2 divisors, whose sum is σ = 377440994. Its totient is φ = 377440992.

The previous prime is 377440979. The next prime is 377441047. The reversal of 377440993 is 399044773.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371255824 + 6185169 = 19268^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 377440993 - 2⁵ = 377440961 is a prime.

It is not a weakly prime, because it can be changed into another prime (377440913) 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, 188720496 + 188720497.

It is an arithmetic number, because the mean of its divisors is an integer number (188720497).

Almost surely, 2^377440993 is an apocalyptic number.

It is an amenable number.

377440993 is a deficient number, since it is larger than the sum of its proper divisors (1).

377440993 is an equidigital number, since it uses as much as digits as its factorization.

377440993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 377440993 is about 19427.8406674545. The cubic root of 377440993 is about 722.6860784352.

The spelling of 377440993 in words is "three hundred seventy-seven million, four hundred forty thousand, nine hundred ninety-three".