14012421057 has 24 divisors (see below), whose sum is σ = 21004275240. Its totient is φ = 8990983680.

The previous prime is 14012421043. The next prime is 14012421083. The reversal of 14012421057 is 75012421041.

14012421057 is a `hidden beast` number, since 1 + 401 + 242 + 10 + 5 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 353590416 + 13658830641 = 18804^2 + 116871^2 .

It is not a de Polignac number, because 14012421057 - 2⁴ = 14012421041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14012421057.

It is not an unprimeable number, because it can be changed into a prime (14012421557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1944 + ... + 167417.

It is an arithmetic number, because the mean of its divisors is an integer number (875178135).

Almost surely, 2^14012421057 is an apocalyptic number.

It is an amenable number.

14012421057 is a deficient number, since it is larger than the sum of its proper divisors (6991854183).

14012421057 is a wasteful number, since it uses less digits than its factorization.

14012421057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169713 (or 169710 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 14012421057 its reverse (75012421041), we get a palindrome (89024842098).

The spelling of 14012421057 in words is "fourteen billion, twelve million, four hundred twenty-one thousand, fifty-seven".