2573764641679 has 16 divisors (see below), whose sum is σ = 3256742704896. Its totient is φ = 1975597588800.

The previous prime is 2573764641659. The next prime is 2573764641731. The reversal of 2573764641679 is 9761464673752.

It is not a de Polignac number, because 2573764641679 - 2²³ = 2573756253071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573764641659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249438982 + ... + 249449299.

It is an arithmetic number, because the mean of its divisors is an integer number (203546419056).

Almost surely, 2^{2573764641679} is an apocalyptic number.

2573764641679 is a deficient number, since it is larger than the sum of its proper divisors (682978063217).

2573764641679 is a wasteful number, since it uses less digits than its factorization.

2573764641679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498888366.

The product of its digits is 320060160, while the sum is 67.

The spelling of 2573764641679 in words is "two trillion, five hundred seventy-three billion, seven hundred sixty-four million, six hundred forty-one thousand, six hundred seventy-nine".