2421613660 has 24 divisors (see below), whose sum is σ = 5088736800. Its totient is φ = 968007744.

The previous prime is 2421613643. The next prime is 2421613679. The reversal of 2421613660 is 663161242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8104 + ... + 70063.

It is an arithmetic number, because the mean of its divisors is an integer number (212030700).

Almost surely, 2^2421613660 is an apocalyptic number.

2421613660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421613660 is an abundant number, since it is smaller than the sum of its proper divisors (2667123140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421613660 is a wasteful number, since it uses less digits than its factorization.

2421613660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79725 (or 79723 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2421613660 is about 49209.8939238849. The cubic root of 2421613660 is about 1342.8730329556.

The spelling of 2421613660 in words is "two billion, four hundred twenty-one million, six hundred thirteen thousand, six hundred sixty".