2513899117 has 2 divisors, whose sum is σ = 2513899118. Its totient is φ = 2513899116.

The previous prime is 2513899111. The next prime is 2513899159. The reversal of 2513899117 is 7119983152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2397669156 + 116229961 = 48966^2 + 10781^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513899117 - 2³ = 2513899109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513899111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256949558 + 1256949559.

It is an arithmetic number, because the mean of its divisors is an integer number (1256949559).

Almost surely, 2^2513899117 is an apocalyptic number.

It is an amenable number.

2513899117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513899117 is an equidigital number, since it uses as much as digits as its factorization.

2513899117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 46.

The square root of 2513899117 is about 50138.7985197093. The cubic root of 2513899117 is about 1359.7193619685.

The spelling of 2513899117 in words is "two billion, five hundred thirteen million, eight hundred ninety-nine thousand, one hundred seventeen".