377405489 has 2 divisors, whose sum is σ = 377405490. Its totient is φ = 377405488.

The previous prime is 377405447. The next prime is 377405591. The reversal of 377405489 is 984504773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275294464 + 102111025 = 16592^2 + 10105^2 .

It is a cyclic number.

It is not a de Polignac number, because 377405489 - 2¹⁶ = 377339953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (377405419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188702744 + 188702745.

It is an arithmetic number, because the mean of its divisors is an integer number (188702745).

Almost surely, 2^377405489 is an apocalyptic number.

It is an amenable number.

377405489 is a deficient number, since it is larger than the sum of its proper divisors (1).

377405489 is an equidigital number, since it uses as much as digits as its factorization.

377405489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 377405489 is about 19426.9269057152. The cubic root of 377405489 is about 722.6634178944.

The spelling of 377405489 in words is "three hundred seventy-seven million, four hundred five thousand, four hundred eighty-nine".