5215645346 has 8 divisors (see below), whose sum is σ = 7825471020. Its totient is φ = 2607155008.

The previous prime is 5215645321. The next prime is 5215645349. The reversal of 5215645346 is 6435465125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4161669121 + 1053976225 = 64511^2 + 32465^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5215645349) 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, 324011 + ... + 339726.

Almost surely, 2^5215645346 is an apocalyptic number.

5215645346 is a deficient number, since it is larger than the sum of its proper divisors (2609825674).

5215645346 is a wasteful number, since it uses less digits than its factorization.

5215645346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667668.

The product of its digits is 432000, while the sum is 41.

The square root of 5215645346 is about 72219.4249907876. The cubic root of 5215645346 is about 1734.2139851934.

The spelling of 5215645346 in words is "five billion, two hundred fifteen million, six hundred forty-five thousand, three hundred forty-six".