7984423125291 has 8 divisors (see below), whose sum is σ = 10645911479440. Its totient is φ = 5322941760672.

The previous prime is 7984423125271. The next prime is 7984423125307. The reversal of 7984423125291 is 1925213244897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7984423125291 - 2¹⁸ = 7984422863147 is a prime.

It is a super-3 number, since 3×7984423125291³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7984423125271) 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 7 ways as a sum of consecutive naturals, for example, 2177481 + ... + 4550853.

It is an arithmetic number, because the mean of its divisors is an integer number (1330738934930).

Almost surely, 2^{7984423125291} is an apocalyptic number.

7984423125291 is a deficient number, since it is larger than the sum of its proper divisors (2661488354149).

7984423125291 is a wasteful number, since it uses less digits than its factorization.

7984423125291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494765.

The product of its digits is 8709120, while the sum is 57.

The spelling of 7984423125291 in words is "seven trillion, nine hundred eighty-four billion, four hundred twenty-three million, one hundred twenty-five thousand, two hundred ninety-one".