2641246461 has 80 divisors (see below), whose sum is σ = 4630389120. Its totient is φ = 1506283128.

The previous prime is 2641246441. The next prime is 2641246481. The reversal of 2641246461 is 1646421462.

2641246461 is a `hidden beast` number, since 2 + 6 + 4 + 1 + 2 + 4 + 646 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2641246441) and next prime (2641246481).

It is not a de Polignac number, because 2641246461 - 2⁶ = 2641246397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641246441) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5250736 + ... + 5251238.

It is an arithmetic number, because the mean of its divisors is an integer number (57879864).

Almost surely, 2^2641246461 is an apocalyptic number.

2641246461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2641246461 is a deficient number, since it is larger than the sum of its proper divisors (1989142659).

2641246461 is an frugal number, since it uses more digits than its factorization.

2641246461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 513 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2641246461 is about 51393.0584904226. The cubic root of 2641246461 is about 1382.3021262494.

The spelling of 2641246461 in words is "two billion, six hundred forty-one million, two hundred forty-six thousand, four hundred sixty-one".