377990429 has 2 divisors, whose sum is σ = 377990430. Its totient is φ = 377990428.

The previous prime is 377990419. The next prime is 377990443. The reversal of 377990429 is 924099773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261307225 + 116683204 = 16165^2 + 10802^2 .

It is a cyclic number.

It is not a de Polignac number, because 377990429 - 2¹² = 377986333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (377990419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188995214 + 188995215.

It is an arithmetic number, because the mean of its divisors is an integer number (188995215).

Almost surely, 2^377990429 is an apocalyptic number.

It is an amenable number.

377990429 is a deficient number, since it is larger than the sum of its proper divisors (1).

377990429 is an equidigital number, since it uses as much as digits as its factorization.

377990429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 377990429 is about 19441.9759541051. The cubic root of 377990429 is about 723.0365766953.

The spelling of 377990429 in words is "three hundred seventy-seven million, nine hundred ninety thousand, four hundred twenty-nine".