2662256783 has 4 divisors (see below), whose sum is σ = 2698726128. Its totient is φ = 2625787440.

The previous prime is 2662256777. The next prime is 2662256791. The reversal of 2662256783 is 3876522662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3876522662 = 2 ⋅1938261331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662256783 is a prime.

It is a super-2 number, since 2×2662256783² = 14175222357259018178, 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 (2662256713) 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, 18234563 + ... + 18234708.

It is an arithmetic number, because the mean of its divisors is an integer number (674681532).

Almost surely, 2^2662256783 is an apocalyptic number.

2662256783 is a deficient number, since it is larger than the sum of its proper divisors (36469345).

2662256783 is an equidigital number, since it uses as much as digits as its factorization.

2662256783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36469344.

The product of its digits is 1451520, while the sum is 47.

The square root of 2662256783 is about 51597.0617671200. The cubic root of 2662256783 is about 1385.9577163038.

The spelling of 2662256783 in words is "two billion, six hundred sixty-two million, two hundred fifty-six thousand, seven hundred eighty-three".