2461632641 has 4 divisors (see below), whose sum is σ = 2650989012. Its totient is φ = 2272276272.

The previous prime is 2461632631. The next prime is 2461632671. The reversal of 2461632641 is 1462361642.

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

It can be written as a sum of positive squares in 2 ways, for example, as 151388416 + 2310244225 = 12304^2 + 48065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2461632641 - 2¹⁰ = 2461631617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2461632611) 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, 94678166 + ... + 94678191.

It is an arithmetic number, because the mean of its divisors is an integer number (662747253).

Almost surely, 2^2461632641 is an apocalyptic number.

It is an amenable number.

2461632641 is a deficient number, since it is larger than the sum of its proper divisors (189356371).

2461632641 is a wasteful number, since it uses less digits than its factorization.

2461632641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189356370.

The product of its digits is 41472, while the sum is 35.

The square root of 2461632641 is about 49614.8429504720. The cubic root of 2461632641 is about 1350.2299820350.

The spelling of 2461632641 in words is "two billion, four hundred sixty-one million, six hundred thirty-two thousand, six hundred forty-one".