2656042411 has 4 divisors (see below), whose sum is σ = 2897500824. Its totient is φ = 2414584000.

The previous prime is 2656042409. The next prime is 2656042421. The reversal of 2656042411 is 1142406562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656042411 - 2¹ = 2656042409 is a prime.

It is a super-2 number, since 2×2656042411² = 14109122578061385842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656042421) 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, 120729190 + ... + 120729211.

It is an arithmetic number, because the mean of its divisors is an integer number (724375206).

Almost surely, 2^2656042411 is an apocalyptic number.

2656042411 is a deficient number, since it is larger than the sum of its proper divisors (241458413).

2656042411 is a wasteful number, since it uses less digits than its factorization.

2656042411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241458412.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2656042411 is about 51536.8063717573. The cubic root of 2656042411 is about 1384.8784856921.

Adding to 2656042411 its reverse (1142406562), we get a palindrome (3798448973).

The spelling of 2656042411 in words is "two billion, six hundred fifty-six million, forty-two thousand, four hundred eleven".