2554343977 has 2 divisors, whose sum is σ = 2554343978. Its totient is φ = 2554343976.

The previous prime is 2554343927. The next prime is 2554344011. The reversal of 2554343977 is 7793434552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2345368041 + 208975936 = 48429^2 + 14456^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554343977 - 2⁷ = 2554343849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2554343977.

It is not a weakly prime, because it can be changed into another prime (2554343917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277171988 + 1277171989.

It is an arithmetic number, because the mean of its divisors is an integer number (1277171989).

Almost surely, 2^2554343977 is an apocalyptic number.

It is an amenable number.

2554343977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554343977 is an equidigital number, since it uses as much as digits as its factorization.

2554343977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 49.

The square root of 2554343977 is about 50540.5181710675. The cubic root of 2554343977 is about 1366.9725495449.

The spelling of 2554343977 in words is "two billion, five hundred fifty-four million, three hundred forty-three thousand, nine hundred seventy-seven".