5625324989 has 4 divisors (see below), whose sum is σ = 5626289340. Its totient is φ = 5624360640.

The previous prime is 5625324979. The next prime is 5625324997. The reversal of 5625324989 is 9894235265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9894235265 = 5 ⋅1978847053.

It can be written as a sum of positive squares in 2 ways, for example, as 290191225 + 5335133764 = 17035^2 + 73042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5625324989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5625324989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625324979) 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, 473372 + ... + 485109.

It is an arithmetic number, because the mean of its divisors is an integer number (1406572335).

Almost surely, 2^5625324989 is an apocalyptic number.

It is an amenable number.

5625324989 is a deficient number, since it is larger than the sum of its proper divisors (964351).

5625324989 is an equidigital number, since it uses as much as digits as its factorization.

5625324989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964350.

The product of its digits is 4665600, while the sum is 53.

The square root of 5625324989 is about 75002.1665620401. The cubic root of 5625324989 is about 1778.4809019913.

The spelling of 5625324989 in words is "five billion, six hundred twenty-five million, three hundred twenty-four thousand, nine hundred eighty-nine".