4253360721 has 8 divisors (see below), whose sum is σ = 5917719360. Its totient is φ = 2712287952.

The previous prime is 4253360701. The next prime is 4253360779. The reversal of 4253360721 is 1270633524.

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

It is not a de Polignac number, because 4253360721 - 2⁷ = 4253360593 is a prime.

It is a super-3 number, since 3×4253360721³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4253360701) 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, 30821386 + ... + 30821523.

It is an arithmetic number, because the mean of its divisors is an integer number (739714920).

Almost surely, 2^4253360721 is an apocalyptic number.

It is an amenable number.

4253360721 is a deficient number, since it is larger than the sum of its proper divisors (1664358639).

4253360721 is a wasteful number, since it uses less digits than its factorization.

4253360721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61642935.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 4253360721 is about 65217.7945119275. The cubic root of 4253360721 is about 1620.2327462426.

The spelling of 4253360721 in words is "four billion, two hundred fifty-three million, three hundred sixty thousand, seven hundred twenty-one".