2551286783 has 8 divisors (see below), whose sum is σ = 2557887696. Its totient is φ = 2544696000.

The previous prime is 2551286779. The next prime is 2551286819. The reversal of 2551286783 is 3876821552.

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 2551286783 - 2² = 2551286779 is a prime.

It is a super-2 number, since 2×2551286783² = 13018128498220978178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551286743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771233 + ... + 774533.

It is an arithmetic number, because the mean of its divisors is an integer number (319735962).

Almost surely, 2^2551286783 is an apocalyptic number.

2551286783 is a deficient number, since it is larger than the sum of its proper divisors (6600913).

2551286783 is an equidigital number, since it uses as much as digits as its factorization.

2551286783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065.

The product of its digits is 806400, while the sum is 47.

The square root of 2551286783 is about 50510.2641351241. The cubic root of 2551286783 is about 1366.4269732390.

The spelling of 2551286783 in words is "two billion, five hundred fifty-one million, two hundred eighty-six thousand, seven hundred eighty-three".