7538938514 has 16 divisors (see below), whose sum is σ = 11382298200. Its totient is φ = 3744881280.

The previous prime is 7538938499. The next prime is 7538938523. The reversal of 7538938514 is 4158398357.

It can be written as a sum of positive squares in 4 ways, for example, as 4553955289 + 2984983225 = 67483^2 + 54635^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369812 + ... + 389664.

Almost surely, 2^7538938514 is an apocalyptic number.

7538938514 is a deficient number, since it is larger than the sum of its proper divisors (3843359686).

7538938514 is a wasteful number, since it uses less digits than its factorization.

7538938514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21085.

The product of its digits is 3628800, while the sum is 53.

The square root of 7538938514 is about 86827.0609545204. The cubic root of 7538938514 is about 1960.8155111511.

The spelling of 7538938514 in words is "seven billion, five hundred thirty-eight million, nine hundred thirty-eight thousand, five hundred fourteen".