2655642461 has 8 divisors (see below), whose sum is σ = 2724822144. Its totient is φ = 2586800160.

The previous prime is 2655642449. The next prime is 2655642601. The reversal of 2655642461 is 1642465562.

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 2655642461 - 2¹⁸ = 2655380317 is a prime.

It is a super-2 number, since 2×2655642461² = 14104873761332273042, 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 (2655642421) 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, 68360 + ... + 99921.

It is an arithmetic number, because the mean of its divisors is an integer number (340602768).

Almost surely, 2^2655642461 is an apocalyptic number.

It is an amenable number.

2655642461 is a deficient number, since it is larger than the sum of its proper divisors (69179683).

2655642461 is a wasteful number, since it uses less digits than its factorization.

2655642461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168691.

The product of its digits is 345600, while the sum is 41.

The square root of 2655642461 is about 51532.9259891188. The cubic root of 2655642461 is about 1384.8089699906.

The spelling of 2655642461 in words is "two billion, six hundred fifty-five million, six hundred forty-two thousand, four hundred sixty-one".