7943120893 has 4 divisors (see below), whose sum is σ = 8005665280. Its totient is φ = 7880576508.

The previous prime is 7943120873. The next prime is 7943120897. The reversal of 7943120893 is 3980213497.

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: 3980213497 = 13 ⋅306170269.

It is a cyclic number.

It is not a de Polignac number, because 7943120893 - 2¹³ = 7943112701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7943120897) 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, 31272003 + ... + 31272256.

It is an arithmetic number, because the mean of its divisors is an integer number (2001416320).

Almost surely, 2^7943120893 is an apocalyptic number.

It is an amenable number.

7943120893 is a deficient number, since it is larger than the sum of its proper divisors (62544387).

7943120893 is a wasteful number, since it uses less digits than its factorization.

7943120893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62544386.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 7943120893 is about 89124.1880355720. The cubic root of 7943120893 is about 1995.2487963866.

The spelling of 7943120893 in words is "seven billion, nine hundred forty-three million, one hundred twenty thousand, eight hundred ninety-three".