4491293423 has 8 divisors (see below), whose sum is σ = 4796042880. Its totient is φ = 4196535840.

The previous prime is 4491293399. The next prime is 4491293431. The reversal of 4491293423 is 3243921944.

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-4491293423 is a prime.

It is a super-2 number, since 2×4491293423² = 40343433222966113858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491293623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497040 + ... + 2498837.

It is an arithmetic number, because the mean of its divisors is an integer number (599505360).

Almost surely, 2^4491293423 is an apocalyptic number.

4491293423 is a deficient number, since it is larger than the sum of its proper divisors (304749457).

4491293423 is a wasteful number, since it uses less digits than its factorization.

4491293423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995937.

The product of its digits is 186624, while the sum is 41.

The square root of 4491293423 is about 67017.1129115542. The cubic root of 4491293423 is about 1649.8981783509.

The spelling of 4491293423 in words is "four billion, four hundred ninety-one million, two hundred ninety-three thousand, four hundred twenty-three".