2345890105489 has 12 divisors (see below), whose sum is σ = 2848001040064. Its totient is φ = 1892482772544.

The previous prime is 2345890105463. The next prime is 2345890105541. The reversal of 2345890105489 is 9845010985432.

It is a happy number.

It is not a de Polignac number, because 2345890105489 - 2¹⁹ = 2345889581201 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345890105589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579802749 + ... + 579806794.

Almost surely, 2^{2345890105489} is an apocalyptic number.

It is an amenable number.

2345890105489 is a deficient number, since it is larger than the sum of its proper divisors (502110934575).

2345890105489 is a wasteful number, since it uses less digits than its factorization.

2345890105489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159609584 (or 1159609567 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 2345890105489 in words is "two trillion, three hundred forty-five billion, eight hundred ninety million, one hundred five thousand, four hundred eighty-nine".