5144639362 has 4 divisors (see below), whose sum is σ = 7716959046. Its totient is φ = 2572319680.

The previous prime is 5144639293. The next prime is 5144639371. The reversal of 5144639362 is 2639364415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2639364415 = 5 ⋅527872883.

It can be written as a sum of positive squares in only one way, i.e., 2618471241 + 2526168121 = 51171^2 + 50261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286159839 + ... + 1286159842.

Almost surely, 2^5144639362 is an apocalyptic number.

5144639362 is a deficient number, since it is larger than the sum of its proper divisors (2572319684).

5144639362 is a wasteful number, since it uses less digits than its factorization.

5144639362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572319683.

The product of its digits is 466560, while the sum is 43.

The square root of 5144639362 is about 71726.1414130162. The cubic root of 5144639362 is about 1726.3081150439.

The spelling of 5144639362 in words is "five billion, one hundred forty-four million, six hundred thirty-nine thousand, three hundred sixty-two".