2658287897 has 2 divisors, whose sum is σ = 2658287898. Its totient is φ = 2658287896.

The previous prime is 2658287869. The next prime is 2658287923. The reversal of 2658287897 is 7987828562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622156176 + 1036131721 = 40276^2 + 32189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2658287897 - 2⁶ = 2658287833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2658287837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329143948 + 1329143949.

It is an arithmetic number, because the mean of its divisors is an integer number (1329143949).

Almost surely, 2^2658287897 is an apocalyptic number.

It is an amenable number.

2658287897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2658287897 is an equidigital number, since it uses as much as digits as its factorization.

2658287897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 62.

The square root of 2658287897 is about 51558.5870345571. The cubic root of 2658287897 is about 1385.2686462938.

The spelling of 2658287897 in words is "two billion, six hundred fifty-eight million, two hundred eighty-seven thousand, eight hundred ninety-seven".