2577764590493 has 4 divisors (see below), whose sum is σ = 2590718181600. Its totient is φ = 2564810999388.

The previous prime is 2577764590483. The next prime is 2577764590523. The reversal of 2577764590493 is 3940954677752.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2577764590493 - 2⁴⁰ = 1478252962717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2577764590463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6476795255 + ... + 6476795652.

It is an arithmetic number, because the mean of its divisors is an integer number (647679545400).

Almost surely, 2^{2577764590493} is an apocalyptic number.

It is an amenable number.

2577764590493 is a deficient number, since it is larger than the sum of its proper divisors (12953591107).

2577764590493 is a wasteful number, since it uses less digits than its factorization.

2577764590493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12953591106.

The product of its (nonzero) digits is 400075200, while the sum is 68.

The spelling of 2577764590493 in words is "two trillion, five hundred seventy-seven billion, seven hundred sixty-four million, five hundred ninety thousand, four hundred ninety-three".