7709045973 has 4 divisors (see below), whose sum is σ = 10278727968. Its totient is φ = 5139363980.

The previous prime is 7709045917. The next prime is 7709045989. The reversal of 7709045973 is 3795409077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3795409077 = 3 ⋅1265136359.

It is a cyclic number.

It is not a de Polignac number, because 7709045973 - 2¹² = 7709041877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7709045873) 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, 1284840993 + ... + 1284840998.

It is an arithmetic number, because the mean of its divisors is an integer number (2569681992).

Almost surely, 2^7709045973 is an apocalyptic number.

It is an amenable number.

7709045973 is a deficient number, since it is larger than the sum of its proper divisors (2569681995).

7709045973 is a wasteful number, since it uses less digits than its factorization.

7709045973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569681994.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The square root of 7709045973 is about 87801.1729591353. The cubic root of 7709045973 is about 1975.4538057118.

The spelling of 7709045973 in words is "seven billion, seven hundred nine million, forty-five thousand, nine hundred seventy-three".