7479136042891 has 8 divisors (see below), whose sum is σ = 7547939999600. Its totient is φ = 7410335505120.

The previous prime is 7479136042883. The next prime is 7479136042951. The reversal of 7479136042891 is 1982406319747.

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

It is a cyclic number.

It is not a de Polignac number, because 7479136042891 - 2³ = 7479136042883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7479136042801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3649165 + ... + 5317393.

It is an arithmetic number, because the mean of its divisors is an integer number (943492499950).

Almost surely, 2^{7479136042891} is an apocalyptic number.

7479136042891 is a deficient number, since it is larger than the sum of its proper divisors (68803956709).

7479136042891 is a wasteful number, since it uses less digits than its factorization.

7479136042891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709469.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 7479136042891 in words is "seven trillion, four hundred seventy-nine billion, one hundred thirty-six million, forty-two thousand, eight hundred ninety-one".