2445801245689 has 4 divisors (see below), whose sum is σ = 2462216019300. Its totient is φ = 2429386472080.

The previous prime is 2445801245633. The next prime is 2445801245711. The reversal of 2445801245689 is 9865421085442.

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 746337032464 + 1699464213225 = 863908^2 + 1303635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445801245689 - 2²⁷ = 2445667027961 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445801245609) 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, 8207386582 + ... + 8207386879.

It is an arithmetic number, because the mean of its divisors is an integer number (615554004825).

Almost surely, 2^{2445801245689} is an apocalyptic number.

It is an amenable number.

2445801245689 is a deficient number, since it is larger than the sum of its proper divisors (16414773611).

2445801245689 is a wasteful number, since it uses less digits than its factorization.

2445801245689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414773610.

The product of its (nonzero) digits is 22118400, while the sum is 58.

The spelling of 2445801245689 in words is "two trillion, four hundred forty-five billion, eight hundred one million, two hundred forty-five thousand, six hundred eighty-nine".