2656504943 has 8 divisors (see below), whose sum is σ = 2682626688. Its totient is φ = 2630407384.

The previous prime is 2656504937. The next prime is 2656504993. The reversal of 2656504943 is 3494056562.

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 2656504943 - 2¹⁴ = 2656488559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2656504894 and 2656504903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656504933) 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, 280280 + ... + 289602.

It is an arithmetic number, because the mean of its divisors is an integer number (335328336).

Almost surely, 2^2656504943 is an apocalyptic number.

2656504943 is a deficient number, since it is larger than the sum of its proper divisors (26121745).

2656504943 is a wasteful number, since it uses less digits than its factorization.

2656504943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 2656504943 is about 51541.2935712716. The cubic root of 2656504943 is about 1384.9588701310.

The spelling of 2656504943 in words is "two billion, six hundred fifty-six million, five hundred four thousand, nine hundred forty-three".