5398423345 has 12 divisors (see below), whose sum is σ = 7535758644. Its totient is φ = 3701775840.

The previous prime is 5398423339. The next prime is 5398423363. The reversal of 5398423345 is 5433248935.

It can be written as a sum of positive squares in 2 ways, for example, as 4158186256 + 1240237089 = 64484^2 + 35217^2 .

It is not a de Polignac number, because 5398423345 - 2⁵ = 5398423313 is a prime.

It is a super-2 number, since 2×5398423345² = 58285949223681978050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5398423295 and 5398423304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11016946 + ... + 11017435.

It is an arithmetic number, because the mean of its divisors is an integer number (627979887).

Almost surely, 2^5398423345 is an apocalyptic number.

It is an amenable number.

5398423345 is a deficient number, since it is larger than the sum of its proper divisors (2137335299).

5398423345 is a wasteful number, since it uses less digits than its factorization.

5398423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034400 (or 22034393 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The square root of 5398423345 is about 73473.9637218518. The cubic root of 5398423345 is about 1754.2398793743.

The spelling of 5398423345 in words is "five billion, three hundred ninety-eight million, four hundred twenty-three thousand, three hundred forty-five".