5295728721 has 16 divisors (see below), whose sum is σ = 7087851200. Its totient is φ = 3517069248.

The previous prime is 5295728719. The next prime is 5295728731. The reversal of 5295728721 is 1278275925.

It is not a de Polignac number, because 5295728721 - 2¹ = 5295728719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5295728731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213275 + ... + 1217631.

It is an arithmetic number, because the mean of its divisors is an integer number (442990700).

Almost surely, 2^5295728721 is an apocalyptic number.

It is an amenable number.

5295728721 is a deficient number, since it is larger than the sum of its proper divisors (1792122479).

5295728721 is a wasteful number, since it uses less digits than its factorization.

5295728721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808.

The product of its digits is 705600, while the sum is 48.

The square root of 5295728721 is about 72771.7577154764. The cubic root of 5295728721 is about 1743.0449085860.

The spelling of 5295728721 in words is "five billion, two hundred ninety-five million, seven hundred twenty-eight thousand, seven hundred twenty-one".