2421143791 has 8 divisors (see below), whose sum is σ = 2796615504. Its totient is φ = 2071566720.

The previous prime is 2421143773. The next prime is 2421143819. The reversal of 2421143791 is 1973411242.

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 2421143791 - 2⁹ = 2421143279 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 (2421143771) 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, 6473460 + ... + 6473833.

It is an arithmetic number, because the mean of its divisors is an integer number (349576938).

Almost surely, 2^2421143791 is an apocalyptic number.

2421143791 is a deficient number, since it is larger than the sum of its proper divisors (375471713).

2421143791 is a wasteful number, since it uses less digits than its factorization.

2421143791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947321.

The product of its digits is 12096, while the sum is 34.

The square root of 2421143791 is about 49205.1195608750. The cubic root of 2421143791 is about 1342.7861741758.

The spelling of 2421143791 in words is "two billion, four hundred twenty-one million, one hundred forty-three thousand, seven hundred ninety-one".