5151564338 has 4 divisors (see below), whose sum is σ = 7727346510. Its totient is φ = 2575782168.

The previous prime is 5151564337. The next prime is 5151564343. The reversal of 5151564338 is 8334651515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4697320369 + 454243969 = 68537^2 + 21313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5151564295 and 5151564304.

It is not an unprimeable number, because it can be changed into a prime (5151564337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287891083 + ... + 1287891086.

Almost surely, 2^5151564338 is an apocalyptic number.

5151564338 is a deficient number, since it is larger than the sum of its proper divisors (2575782172).

5151564338 is a wasteful number, since it uses less digits than its factorization.

5151564338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575782171.

The product of its digits is 216000, while the sum is 41.

The square root of 5151564338 is about 71774.3989037874. The cubic root of 5151564338 is about 1727.0823372687.

The spelling of 5151564338 in words is "five billion, one hundred fifty-one million, five hundred sixty-four thousand, three hundred thirty-eight".