2245008872461 has 4 divisors (see below), whose sum is σ = 2245840668000. Its totient is φ = 2244177076924.

The previous prime is 2245008872411. The next prime is 2245008872473. The reversal of 2245008872461 is 1642788005422.

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 2245008872461 - 2¹⁹ = 2245008348173 is a prime.

It is a super-2 number, since 2×2245008872461² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245008872411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415893721 + ... + 415899118.

It is an arithmetic number, because the mean of its divisors is an integer number (561460167000).

Almost surely, 2^{2245008872461} is an apocalyptic number.

It is an amenable number.

2245008872461 is a deficient number, since it is larger than the sum of its proper divisors (831795539).

2245008872461 is an equidigital number, since it uses as much as digits as its factorization.

2245008872461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831795538.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 2245008872461 in words is "two trillion, two hundred forty-five billion, eight million, eight hundred seventy-two thousand, four hundred sixty-one".