7144721353 has 16 divisors (see below), whose sum is σ = 8911051776. Its totient is φ = 5565223440.

The previous prime is 7144721341. The next prime is 7144721413. The reversal of 7144721353 is 3531274417.

It is not a de Polignac number, because 7144721353 - 2⁵ = 7144721321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7144721323) 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, 207550 + ... + 239512.

It is an arithmetic number, because the mean of its divisors is an integer number (556940736).

Almost surely, 2^7144721353 is an apocalyptic number.

It is an amenable number.

7144721353 is a deficient number, since it is larger than the sum of its proper divisors (1766330423).

7144721353 is a wasteful number, since it uses less digits than its factorization.

7144721353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34884.

The product of its digits is 70560, while the sum is 37.

The square root of 7144721353 is about 84526.4535692821. The cubic root of 7144721353 is about 1926.0243137292.

The spelling of 7144721353 in words is "seven billion, one hundred forty-four million, seven hundred twenty-one thousand, three hundred fifty-three".