2655731881 has 8 divisors (see below), whose sum is σ = 2897735904. Its totient is φ = 2413823520.

The previous prime is 2655731879. The next prime is 2655731899. The reversal of 2655731881 is 1881375562.

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 2655731881 - 2¹ = 2655731879 is a prime.

It is a super-2 number, since 2×2655731881² = 14105823647519596322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655734881) 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, 42066 + ... + 84148.

It is an arithmetic number, because the mean of its divisors is an integer number (362216988).

Almost surely, 2^2655731881 is an apocalyptic number.

It is an amenable number.

2655731881 is a deficient number, since it is larger than the sum of its proper divisors (242004023).

2655731881 is a wasteful number, since it uses less digits than its factorization.

2655731881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47831.

The product of its digits is 403200, while the sum is 46.

The square root of 2655731881 is about 51533.7935824639. The cubic root of 2655731881 is about 1384.8245127742.

The spelling of 2655731881 in words is "two billion, six hundred fifty-five million, seven hundred thirty-one thousand, eight hundred eighty-one".