4721325491 has 8 divisors (see below), whose sum is σ = 4744884144. Its totient is φ = 4697821440.

The previous prime is 4721325473. The next prime is 4721325503. The reversal of 4721325491 is 1945231274.

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-4721325491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4721325421) 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, 165515 + ... + 191931.

It is an arithmetic number, because the mean of its divisors is an integer number (593110518).

Almost surely, 2^4721325491 is an apocalyptic number.

4721325491 is a deficient number, since it is larger than the sum of its proper divisors (23558653).

4721325491 is a wasteful number, since it uses less digits than its factorization.

4721325491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27301.

The product of its digits is 60480, while the sum is 38.

The square root of 4721325491 is about 68711.9021058215. The cubic root of 4721325491 is about 1677.5983127386.

The spelling of 4721325491 in words is "four billion, seven hundred twenty-one million, three hundred twenty-five thousand, four hundred ninety-one".