14539527793 has 12 divisors (see below), whose sum is σ = 16932663732. Its totient is φ = 12448205280.

The previous prime is 14539527781. The next prime is 14539527803. The reversal of 14539527793 is 39772593541.

It can be written as a sum of positive squares in 2 ways, for example, as 6951724129 + 7587803664 = 83377^2 + 87108^2 .

It is not a de Polignac number, because 14539527793 - 2²¹ = 14537430641 is a prime.

It is a super-2 number, since 2×14539527793² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14539527703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126198 + ... + 212143.

It is an arithmetic number, because the mean of its divisors is an integer number (1411055311).

Almost surely, 2^14539527793 is an apocalyptic number.

It is an amenable number.

14539527793 is a deficient number, since it is larger than the sum of its proper divisors (2393135939).

14539527793 is an equidigital number, since it uses as much as digits as its factorization.

14539527793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339232 (or 339225 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 55.

The spelling of 14539527793 in words is "fourteen billion, five hundred thirty-nine million, five hundred twenty-seven thousand, seven hundred ninety-three".