2455971839 has 2 divisors, whose sum is σ = 2455971840. Its totient is φ = 2455971838.

The previous prime is 2455971811. The next prime is 2455971841. The reversal of 2455971839 is 9381795542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2455971839 - 2¹² = 2455967743 is a prime.

It is a super-2 number, since 2×2455971839² = 12063595347922083842, which contains 22 as substring.

Together with 2455971841, 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 (2455901839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227985919 + 1227985920.

It is an arithmetic number, because the mean of its divisors is an integer number (1227985920).

Almost surely, 2^2455971839 is an apocalyptic number.

2455971839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455971839 is an equidigital number, since it uses as much as digits as its factorization.

2455971839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 53.

The square root of 2455971839 is about 49557.7626512739. The cubic root of 2455971839 is about 1349.1941855892.

The spelling of 2455971839 in words is "two billion, four hundred fifty-five million, nine hundred seventy-one thousand, eight hundred thirty-nine".