2475679391 has 2 divisors, whose sum is σ = 2475679392. Its totient is φ = 2475679390.

The previous prime is 2475679387. The next prime is 2475679403. The reversal of 2475679391 is 1939765742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2475679391 - 2² = 2475679387 is a prime.

It is a super-2 number, since 2×2475679391² = 12257976894044261762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2475679301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1237839695 + 1237839696.

It is an arithmetic number, because the mean of its divisors is an integer number (1237839696).

Almost surely, 2^2475679391 is an apocalyptic number.

2475679391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2475679391 is an equidigital number, since it uses as much as digits as its factorization.

2475679391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 53.

The square root of 2475679391 is about 49756.1995232755. The cubic root of 2475679391 is about 1352.7933730817.

The spelling of 2475679391 in words is "two billion, four hundred seventy-five million, six hundred seventy-nine thousand, three hundred ninety-one".