2643731655883 has 2 divisors, whose sum is σ = 2643731655884. Its totient is φ = 2643731655882.

The previous prime is 2643731655847. The next prime is 2643731655899. The reversal of 2643731655883 is 3885561373462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2643731655883 - 2¹³ = 2643731647691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2643731650883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321865827941 + 1321865827942.

It is an arithmetic number, because the mean of its divisors is an integer number (1321865827942).

Almost surely, 2^{2643731655883} is an apocalyptic number.

2643731655883 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643731655883 is an equidigital number, since it uses as much as digits as its factorization.

2643731655883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87091200, while the sum is 61.

The spelling of 2643731655883 in words is "two trillion, six hundred forty-three billion, seven hundred thirty-one million, six hundred fifty-five thousand, eight hundred eighty-three".