2556933419 has 2 divisors, whose sum is σ = 2556933420. Its totient is φ = 2556933418.

The previous prime is 2556933361. The next prime is 2556933427. The reversal of 2556933419 is 9143396552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2556933419 - 2¹⁶ = 2556867883 is a prime.

It is a super-2 number, since 2×2556933419² = 13075817018398059122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2556933469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278466709 + 1278466710.

It is an arithmetic number, because the mean of its divisors is an integer number (1278466710).

Almost surely, 2^2556933419 is an apocalyptic number.

2556933419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556933419 is an equidigital number, since it uses as much as digits as its factorization.

2556933419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 47.

The square root of 2556933419 is about 50566.1291676553. The cubic root of 2556933419 is about 1367.4343120335.

The spelling of 2556933419 in words is "two billion, five hundred fifty-six million, nine hundred thirty-three thousand, four hundred nineteen".