7538542199 has 16 divisors (see below), whose sum is σ = 7961677920. Its totient is φ = 7127352960.

The previous prime is 7538542181. The next prime is 7538542213. The reversal of 7538542199 is 9912458357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7538542199 is a prime.

It is a super-2 number, since 2×7538542199² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7538542199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538542129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392177 + ... + 410949.

It is an arithmetic number, because the mean of its divisors is an integer number (497604870).

Almost surely, 2^7538542199 is an apocalyptic number.

7538542199 is a deficient number, since it is larger than the sum of its proper divisors (423135721).

7538542199 is a wasteful number, since it uses less digits than its factorization.

7538542199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19090.

The product of its digits is 2721600, while the sum is 53.

The square root of 7538542199 is about 86824.7787155257. The cubic root of 7538542199 is about 1960.7811511319.

The spelling of 7538542199 in words is "seven billion, five hundred thirty-eight million, five hundred forty-two thousand, one hundred ninety-nine".