7974369793 has 4 divisors (see below), whose sum is σ = 8587782868. Its totient is φ = 7360956720.

The previous prime is 7974369773. The next prime is 7974369797. The reversal of 7974369793 is 3979634797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4552470784 + 3421899009 = 67472^2 + 58497^2 .

It is not a de Polignac number, because 7974369793 - 2⁹ = 7974369281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7974369797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306706518 + ... + 306706543.

It is an arithmetic number, because the mean of its divisors is an integer number (2146945717).

Almost surely, 2^7974369793 is an apocalyptic number.

It is an amenable number.

7974369793 is a deficient number, since it is larger than the sum of its proper divisors (613413075).

7974369793 is a wasteful number, since it uses less digits than its factorization.

7974369793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613413074.

The product of its digits is 54010152, while the sum is 64.

The square root of 7974369793 is about 89299.3269459518. The cubic root of 7974369793 is about 1997.8618644193.

The spelling of 7974369793 in words is "seven billion, nine hundred seventy-four million, three hundred sixty-nine thousand, seven hundred ninety-three".