2421254218297 has 4 divisors (see below), whose sum is σ = 2422113126480. Its totient is φ = 2420395310116.

The previous prime is 2421254218277. The next prime is 2421254218307. The reversal of 2421254218297 is 7928124521242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2421254218297 - 2⁷ = 2421254218169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421254218297.

It is not an unprimeable number, because it can be changed into a prime (2421254218247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429449863 + ... + 429455500.

It is an arithmetic number, because the mean of its divisors is an integer number (605528281620).

Almost surely, 2^{2421254218297} is an apocalyptic number.

It is an amenable number.

2421254218297 is a deficient number, since it is larger than the sum of its proper divisors (858908183).

2421254218297 is an equidigital number, since it uses as much as digits as its factorization.

2421254218297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858908182.

The product of its digits is 1290240, while the sum is 49.

The spelling of 2421254218297 in words is "two trillion, four hundred twenty-one billion, two hundred fifty-four million, two hundred eighteen thousand, two hundred ninety-seven".