7980412389 has 4 divisors (see below), whose sum is σ = 10640549856. Its totient is φ = 5320274924.

The previous prime is 7980412387. The next prime is 7980412397. The reversal of 7980412389 is 9832140897.

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.

It is a cyclic number.

It is not a de Polignac number, because 7980412389 - 2¹ = 7980412387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980412387) 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, 1330068729 + ... + 1330068734.

It is an arithmetic number, because the mean of its divisors is an integer number (2660137464).

Almost surely, 2^7980412389 is an apocalyptic number.

It is an amenable number.

7980412389 is a deficient number, since it is larger than the sum of its proper divisors (2660137467).

7980412389 is a wasteful number, since it uses less digits than its factorization.

7980412389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660137466.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 7980412389 is about 89333.1539183522. The cubic root of 7980412389 is about 1998.3663650651.

The spelling of 7980412389 in words is "seven billion, nine hundred eighty million, four hundred twelve thousand, three hundred eighty-nine".