2421287574445 has 8 divisors (see below), whose sum is σ = 2918015241336. Its totient is φ = 1928716624896.

The previous prime is 2421287574443. The next prime is 2421287574457. The reversal of 2421287574445 is 5444757821242.

It can be written as a sum of positive squares in 4 ways, for example, as 118265834404 + 2303021740041 = 343898^2 + 1517571^2 .

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 2421287574445 - 2¹ = 2421287574443 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 (2421287574443) 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, 1039178052 + ... + 1039180381.

It is an arithmetic number, because the mean of its divisors is an integer number (364751905167).

Almost surely, 2^{2421287574445} is an apocalyptic number.

It is an amenable number.

2421287574445 is a deficient number, since it is larger than the sum of its proper divisors (496727666891).

2421287574445 is a wasteful number, since it uses less digits than its factorization.

2421287574445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078358671.

The product of its digits is 20070400, while the sum is 55.

The spelling of 2421287574445 in words is "two trillion, four hundred twenty-one billion, two hundred eighty-seven million, five hundred seventy-four thousand, four hundred forty-five".