7149183998 has 16 divisors (see below), whose sum is σ = 12314384640. Its totient is φ = 3078595800.

The previous prime is 7149183973. The next prime is 7149184019. The reversal of 7149183998 is 8993819417.

It is a super-2 number, since 2×7149183998² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 8551238 + ... + 8552073.

It is an arithmetic number, because the mean of its divisors is an integer number (769649040).

Almost surely, 2^7149183998 is an apocalyptic number.

7149183998 is a deficient number, since it is larger than the sum of its proper divisors (5165200642).

7149183998 is a wasteful number, since it uses less digits than its factorization.

7149183998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17103343.

The product of its digits is 3919104, while the sum is 59.

The square root of 7149183998 is about 84552.8473677853. The cubic root of 7149183998 is about 1926.4252332069.

The spelling of 7149183998 in words is "seven billion, one hundred forty-nine million, one hundred eighty-three thousand, nine hundred ninety-eight".