14849523457 has 4 divisors (see below), whose sum is σ = 15361576020. Its totient is φ = 14337470896.

The previous prime is 14849523449. The next prime is 14849523461. The reversal of 14849523457 is 75432594841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3073150096 + 11776373361 = 55436^2 + 108519^2 .

It is a cyclic number.

It is not a de Polignac number, because 14849523457 - 2³ = 14849523449 is a prime.

It is a super-3 number, since 3×14849523457³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14849520457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256026238 + ... + 256026295.

It is an arithmetic number, because the mean of its divisors is an integer number (3840394005).

Almost surely, 2^14849523457 is an apocalyptic number.

It is an amenable number.

14849523457 is a deficient number, since it is larger than the sum of its proper divisors (512052563).

14849523457 is an equidigital number, since it uses as much as digits as its factorization.

14849523457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512052562.

The product of its digits is 4838400, while the sum is 52.

The spelling of 14849523457 in words is "fourteen billion, eight hundred forty-nine million, five hundred twenty-three thousand, four hundred fifty-seven".