2555199431 has 2 divisors, whose sum is σ = 2555199432. Its totient is φ = 2555199430.

The previous prime is 2555199407. The next prime is 2555199469. The reversal of 2555199431 is 1349915552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555199431 - 2¹⁴ = 2555183047 is a prime.

It is a super-2 number, since 2×2555199431² = 13058088264365447522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555199131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277599715 + 1277599716.

It is an arithmetic number, because the mean of its divisors is an integer number (1277599716).

Almost surely, 2^2555199431 is an apocalyptic number.

2555199431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555199431 is an equidigital number, since it uses as much as digits as its factorization.

2555199431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 44.

The square root of 2555199431 is about 50548.9805139530. The cubic root of 2555199431 is about 1367.1251329646.

The spelling of 2555199431 in words is "two billion, five hundred fifty-five million, one hundred ninety-nine thousand, four hundred thirty-one".