2489432377 has 2 divisors, whose sum is σ = 2489432378. Its totient is φ = 2489432376.

The previous prime is 2489432353. The next prime is 2489432453. The reversal of 2489432377 is 7732349842.

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., 1594884096 + 894548281 = 39936^2 + 29909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489432377 - 2⁷ = 2489432249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2489432377.

It is not a weakly prime, because it can be changed into another prime (2489432327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244716188 + 1244716189.

It is an arithmetic number, because the mean of its divisors is an integer number (1244716189).

Almost surely, 2^2489432377 is an apocalyptic number.

It is an amenable number.

2489432377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489432377 is an equidigital number, since it uses as much as digits as its factorization.

2489432377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The square root of 2489432377 is about 49894.2118586916. The cubic root of 2489432377 is about 1355.2937779792.

The spelling of 2489432377 in words is "two billion, four hundred eighty-nine million, four hundred thirty-two thousand, three hundred seventy-seven".