14575743721 has 8 divisors (see below), whose sum is σ = 18172355904. Its totient is φ = 11357722320.

The previous prime is 14575743719. The next prime is 14575743731. The reversal of 14575743721 is 12734757541.

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

It is not a de Polignac number, because 14575743721 - 2¹ = 14575743719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14575743731) 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, 94647610 + ... + 94647763.

It is an arithmetic number, because the mean of its divisors is an integer number (2271544488).

Almost surely, 2^14575743721 is an apocalyptic number.

14575743721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14575743721 is a deficient number, since it is larger than the sum of its proper divisors (3596612183).

14575743721 is a wasteful number, since it uses less digits than its factorization.

14575743721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189295391.

The product of its digits is 823200, while the sum is 46.

It can be divided in two parts, 14575 and 743721, that added together give a triangular number (758296 = T₁₂₃₁).

The spelling of 14575743721 in words is "fourteen billion, five hundred seventy-five million, seven hundred forty-three thousand, seven hundred twenty-one".