2611399487 has 2 divisors, whose sum is σ = 2611399488. Its totient is φ = 2611399486.

The previous prime is 2611399481. The next prime is 2611399489. The reversal of 2611399487 is 7849931162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2611399487 - 2¹⁸ = 2611137343 is a prime.

Together with 2611399489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2611399481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305699743 + 1305699744.

It is an arithmetic number, because the mean of its divisors is an integer number (1305699744).

Almost surely, 2^2611399487 is an apocalyptic number.

2611399487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611399487 is an equidigital number, since it uses as much as digits as its factorization.

2611399487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 2611399487 is about 51101.8540465999. The cubic root of 2611399487 is about 1377.0755627936.

The spelling of 2611399487 in words is "two billion, six hundred eleven million, three hundred ninety-nine thousand, four hundred eighty-seven".