5431612489 has 8 divisors (see below), whose sum is σ = 5780316168. Its totient is φ = 5086152960.

The previous prime is 5431612477. The next prime is 5431612493. The reversal of 5431612489 is 9842161345.

It can be written as a sum of positive squares in 4 ways, for example, as 1137038400 + 4294574089 = 33720^2 + 65533^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5431612489 - 2¹⁵ = 5431579721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431613489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807582 + ... + 814279.

It is an arithmetic number, because the mean of its divisors is an integer number (722539521).

Almost surely, 2^5431612489 is an apocalyptic number.

It is an amenable number.

5431612489 is a deficient number, since it is larger than the sum of its proper divisors (348703679).

5431612489 is a wasteful number, since it uses less digits than its factorization.

5431612489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622075.

The product of its digits is 207360, while the sum is 43.

The square root of 5431612489 is about 73699.4741433072. The cubic root of 5431612489 is about 1757.8275201665.

The spelling of 5431612489 in words is "five billion, four hundred thirty-one million, six hundred twelve thousand, four hundred eighty-nine".