545835236489 has 16 divisors (see below), whose sum is σ = 554355916800. Its totient is φ = 537357182544.

The previous prime is 545835236483. The next prime is 545835236497. The reversal of 545835236489 is 984632538545.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545835236489 is a prime.

It is a super-2 number, since 2×545835236489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545835236483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40225784 + ... + 40239350.

It is an arithmetic number, because the mean of its divisors is an integer number (34647244800).

Almost surely, 2^545835236489 is an apocalyptic number.

It is an amenable number.

545835236489 is a deficient number, since it is larger than the sum of its proper divisors (8520680311).

545835236489 is a wasteful number, since it uses less digits than its factorization.

545835236489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15092.

The product of its digits is 124416000, while the sum is 62.

The spelling of 545835236489 in words is "five hundred forty-five billion, eight hundred thirty-five million, two hundred thirty-six thousand, four hundred eighty-nine".