2551652766613 has 4 divisors (see below), whose sum is σ = 2552792408320. Its totient is φ = 2550513124908.

The previous prime is 2551652766587. The next prime is 2551652766629. The reversal of 2551652766613 is 3166672561552.

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 a de Polignac number, because none of the positive numbers 2^k-2551652766613 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 (2551652766683) 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, 569817495 + ... + 569821972.

It is an arithmetic number, because the mean of its divisors is an integer number (638198102080).

Almost surely, 2^{2551652766613} is an apocalyptic number.

It is an amenable number.

2551652766613 is a deficient number, since it is larger than the sum of its proper divisors (1139641707).

2551652766613 is a wasteful number, since it uses less digits than its factorization.

2551652766613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139641706.

The product of its digits is 13608000, while the sum is 55.

The spelling of 2551652766613 in words is "two trillion, five hundred fifty-one billion, six hundred fifty-two million, seven hundred sixty-six thousand, six hundred thirteen".