2442557090865 has 8 divisors (see below), whose sum is σ = 3908091345408. Its totient is φ = 1302697115120.

The previous prime is 2442557090761. The next prime is 2442557090867. The reversal of 2442557090865 is 5680907552442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2442557090865 - 2⁸ = 2442557090609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2442557090867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81418569681 + ... + 81418569710.

It is an arithmetic number, because the mean of its divisors is an integer number (488511418176).

Almost surely, 2^{2442557090865} is an apocalyptic number.

It is an amenable number.

2442557090865 is a deficient number, since it is larger than the sum of its proper divisors (1465534254543).

2442557090865 is a wasteful number, since it uses less digits than its factorization.

2442557090865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162837139399.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 2442557090865 in words is "two trillion, four hundred forty-two billion, five hundred fifty-seven million, ninety thousand, eight hundred sixty-five".