2873495792581 has 2 divisors, whose sum is σ = 2873495792582. Its totient is φ = 2873495792580.

The previous prime is 2873495792569. The next prime is 2873495792627. The reversal of 2873495792581 is 1852975943782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013859001025 + 859636791556 = 1419105^2 + 927166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2873495792581 is a prime.

It is a super-2 number, since 2×2873495792581² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2873495792581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2873495792561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436747896290 + 1436747896291.

It is an arithmetic number, because the mean of its divisors is an integer number (1436747896291).

Almost surely, 2^{2873495792581} is an apocalyptic number.

It is an amenable number.

2873495792581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873495792581 is an equidigital number, since it uses as much as digits as its factorization.

2873495792581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 304819200, while the sum is 70.

The spelling of 2873495792581 in words is "two trillion, eight hundred seventy-three billion, four hundred ninety-five million, seven hundred ninety-two thousand, five hundred eighty-one".