7089423491 has 8 divisors (see below), whose sum is σ = 7343546400. Its totient is φ = 6835944640.

The previous prime is 7089423479. The next prime is 7089423527. The reversal of 7089423491 is 1943249807.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7089423491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7089423401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138551 + ... + 182688.

It is an arithmetic number, because the mean of its divisors is an integer number (917943300).

Almost surely, 2^7089423491 is an apocalyptic number.

7089423491 is a deficient number, since it is larger than the sum of its proper divisors (254122909).

7089423491 is a wasteful number, since it uses less digits than its factorization.

7089423491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322029.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 7089423491 is about 84198.7143072862. The cubic root of 7089423491 is about 1921.0425012522.

The spelling of 7089423491 in words is "seven billion, eighty-nine million, four hundred twenty-three thousand, four hundred ninety-one".