2421595995157 has 4 divisors (see below), whose sum is σ = 2421610177900. Its totient is φ = 2421581812416.

The previous prime is 2421595995151. The next prime is 2421595995227. The reversal of 2421595995157 is 7515995951242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1549611687556 + 871984307601 = 1244834^2 + 933801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421595995157 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 (2421595995151) 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, 6832098 + ... + 7177795.

It is an arithmetic number, because the mean of its divisors is an integer number (605402544475).

Almost surely, 2^{2421595995157} is an apocalyptic number.

It is an amenable number.

2421595995157 is a deficient number, since it is larger than the sum of its proper divisors (14182743).

2421595995157 is a wasteful number, since it uses less digits than its factorization.

2421595995157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14182742.

The product of its digits is 51030000, while the sum is 64.

The spelling of 2421595995157 in words is "two trillion, four hundred twenty-one billion, five hundred ninety-five million, nine hundred ninety-five thousand, one hundred fifty-seven".