7149936793 has 4 divisors (see below), whose sum is σ = 7152008500. Its totient is φ = 7147865088.

The previous prime is 7149936779. The next prime is 7149936803. The reversal of 7149936793 is 3976399417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3976399417 = 6217 ⋅639601.

It can be written as a sum of positive squares in 2 ways, for example, as 1163355664 + 5986581129 = 34108^2 + 77373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7149936793 is a prime.

It is a super-2 number, since 2×7149936793² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7149936763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030668 + ... + 1037581.

It is an arithmetic number, because the mean of its divisors is an integer number (1788002125).

Almost surely, 2^7149936793 is an apocalyptic number.

It is an amenable number.

7149936793 is a deficient number, since it is larger than the sum of its proper divisors (2071707).

7149936793 is a wasteful number, since it uses less digits than its factorization.

7149936793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071706.

The product of its digits is 7715736, while the sum is 58.

The square root of 7149936793 is about 84557.2988747867. The cubic root of 7149936793 is about 1926.4928470952.

The spelling of 7149936793 in words is "seven billion, one hundred forty-nine million, nine hundred thirty-six thousand, seven hundred ninety-three".