2563790377 has 2 divisors, whose sum is σ = 2563790378. Its totient is φ = 2563790376.

The previous prime is 2563790371. The next prime is 2563790387. The reversal of 2563790377 is 7730973652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1436106816 + 1127683561 = 37896^2 + 33581^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563790377 - 2³¹ = 416306729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2563790377.

It is not a weakly prime, because it can be changed into another prime (2563790371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281895188 + 1281895189.

It is an arithmetic number, because the mean of its divisors is an integer number (1281895189).

Almost surely, 2^2563790377 is an apocalyptic number.

It is an amenable number.

2563790377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563790377 is an equidigital number, since it uses as much as digits as its factorization.

2563790377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 49.

The square root of 2563790377 is about 50633.8856597042. The cubic root of 2563790377 is about 1368.6555758080.

The spelling of 2563790377 in words is "two billion, five hundred sixty-three million, seven hundred ninety thousand, three hundred seventy-seven".