2517499189 has 2 divisors, whose sum is σ = 2517499190. Its totient is φ = 2517499188.

The previous prime is 2517499163. The next prime is 2517499223. The reversal of 2517499189 is 9819947152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2126132100 + 391367089 = 46110^2 + 19783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2517499189 - 2⁵ = 2517499157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2517499289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258749594 + 1258749595.

It is an arithmetic number, because the mean of its divisors is an integer number (1258749595).

Almost surely, 2^2517499189 is an apocalyptic number.

It is an amenable number.

2517499189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517499189 is an equidigital number, since it uses as much as digits as its factorization.

2517499189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 55.

The square root of 2517499189 is about 50174.6867354446. The cubic root of 2517499189 is about 1360.3681221261.

The spelling of 2517499189 in words is "two billion, five hundred seventeen million, four hundred ninety-nine thousand, one hundred eighty-nine".