2573764641731 has 2 divisors, whose sum is σ = 2573764641732. Its totient is φ = 2573764641730.

The previous prime is 2573764641659. The next prime is 2573764641769. The reversal of 2573764641731 is 1371464673752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2573764641731 is a prime.

It is a super-2 number, since 2×2573764641731² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2573764641631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286882320865 + 1286882320866.

It is an arithmetic number, because the mean of its divisors is an integer number (1286882320866).

Almost surely, 2^{2573764641731} is an apocalyptic number.

2573764641731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573764641731 is an equidigital number, since it uses as much as digits as its factorization.

2573764641731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 56.

The spelling of 2573764641731 in words is "two trillion, five hundred seventy-three billion, seven hundred sixty-four million, six hundred forty-one thousand, seven hundred thirty-one".