2251843039877 has 2 divisors, whose sum is σ = 2251843039878. Its totient is φ = 2251843039876.

The previous prime is 2251843039867. The next prime is 2251843039903. The reversal of 2251843039877 is 7789303481522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2231396613796 + 20446426081 = 1493786^2 + 142991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251843039877 - 2⁴ = 2251843039861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251843039807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125921519938 + 1125921519939.

It is an arithmetic number, because the mean of its divisors is an integer number (1125921519939).

Almost surely, 2^{2251843039877} is an apocalyptic number.

It is an amenable number.

2251843039877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251843039877 is an equidigital number, since it uses as much as digits as its factorization.

2251843039877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 2251843039877 in words is "two trillion, two hundred fifty-one billion, eight hundred forty-three million, thirty-nine thousand, eight hundred seventy-seven".