2551586493 has 8 divisors (see below), whose sum is σ = 3402478656. Its totient is φ = 1700876000.

The previous prime is 2551586483. The next prime is 2551586501. The reversal of 2551586493 is 3946851552.

2551586493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551586493 - 2⁵ = 2551586461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551586413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8313 + ... + 71918.

It is an arithmetic number, because the mean of its divisors is an integer number (425309832).

Almost surely, 2^2551586493 is an apocalyptic number.

It is an amenable number.

2551586493 is a deficient number, since it is larger than the sum of its proper divisors (850892163).

2551586493 is a wasteful number, since it uses less digits than its factorization.

2551586493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90835.

The product of its digits is 1296000, while the sum is 48.

The square root of 2551586493 is about 50513.2308707333. The cubic root of 2551586493 is about 1366.4804777157.

The spelling of 2551586493 in words is "two billion, five hundred fifty-one million, five hundred eighty-six thousand, four hundred ninety-three".