4631562661 has 8 divisors (see below), whose sum is σ = 5053327200. Its totient is φ = 4209917040.

The previous prime is 4631562659. The next prime is 4631562673. The reversal of 4631562661 is 1662651364.

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 4631562661 - 2¹ = 4631562659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631562641) 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, 64795 + ... + 116023.

It is an arithmetic number, because the mean of its divisors is an integer number (631665900).

Almost surely, 2^4631562661 is an apocalyptic number.

It is an amenable number.

4631562661 is a deficient number, since it is larger than the sum of its proper divisors (421764539).

4631562661 is a wasteful number, since it uses less digits than its factorization.

4631562661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59459.

The product of its digits is 155520, while the sum is 40.

The square root of 4631562661 is about 68055.5850830775. The cubic root of 4631562661 is about 1666.8985981543.

The spelling of 4631562661 in words is "four billion, six hundred thirty-one million, five hundred sixty-two thousand, six hundred sixty-one".