2421767797 has 8 divisors (see below), whose sum is σ = 2559153600. Its totient is φ = 2285374464.

The previous prime is 2421767753. The next prime is 2421767807. The reversal of 2421767797 is 7977671242.

It is a happy number.

2421767797 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421767797 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 (2421767707) 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, 243097 + ... + 252862.

It is an arithmetic number, because the mean of its divisors is an integer number (319894200).

Almost surely, 2^2421767797 is an apocalyptic number.

It is an amenable number.

2421767797 is a deficient number, since it is larger than the sum of its proper divisors (137385803).

2421767797 is a wasteful number, since it uses less digits than its factorization.

2421767797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496235.

The product of its digits is 2074464, while the sum is 52.

The square root of 2421767797 is about 49211.4600169513. The cubic root of 2421767797 is about 1342.9015238792.

The spelling of 2421767797 in words is "two billion, four hundred twenty-one million, seven hundred sixty-seven thousand, seven hundred ninety-seven".