2489598577 has 2 divisors, whose sum is σ = 2489598578. Its totient is φ = 2489598576.

The previous prime is 2489598547. The next prime is 2489598619. The reversal of 2489598577 is 7758959842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220671376 + 268927201 = 47124^2 + 16399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489598577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2489598547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244799288 + 1244799289.

It is an arithmetic number, because the mean of its divisors is an integer number (1244799289).

Almost surely, 2^2489598577 is an apocalyptic number.

It is an amenable number.

2489598577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489598577 is an equidigital number, since it uses as much as digits as its factorization.

2489598577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50803200, while the sum is 64.

The square root of 2489598577 is about 49895.8773547475. The cubic root of 2489598577 is about 1355.3239381093.

The spelling of 2489598577 in words is "two billion, four hundred eighty-nine million, five hundred ninety-eight thousand, five hundred seventy-seven".