2631432461 has 8 divisors (see below), whose sum is σ = 3138105984. Its totient is φ = 2157447600.

The previous prime is 2631432449. The next prime is 2631432497. The reversal of 2631432461 is 1642341362.

2631432461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2631432461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631432961) 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, 8171990 + ... + 8172311.

It is an arithmetic number, because the mean of its divisors is an integer number (392263248).

Almost surely, 2^2631432461 is an apocalyptic number.

It is an amenable number.

2631432461 is a deficient number, since it is larger than the sum of its proper divisors (506673523).

2631432461 is a wasteful number, since it uses less digits than its factorization.

2631432461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16344331.

The product of its digits is 20736, while the sum is 32.

The square root of 2631432461 is about 51297.4898118807. The cubic root of 2631432461 is about 1380.5879419064.

The spelling of 2631432461 in words is "two billion, six hundred thirty-one million, four hundred thirty-two thousand, four hundred sixty-one".