13723274450 has 18 divisors (see below), whose sum is σ = 25526831301. Its totient is φ = 5488978440.

The previous prime is 13723274447. The next prime is 13723274483. The reversal of 13723274450 is 5447232731.

13723274450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13448808961 + 274465489 = 115969^2 + 16567^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=82835.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 820067 + ... + 836633.

Almost surely, 2^13723274450 is an apocalyptic number.

13723274450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13723274450 is a deficient number, since it is larger than the sum of its proper divisors (11803556851).

13723274450 is an frugal number, since it uses more digits than its factorization.

13723274450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146 (or 16574 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 13723274450 in words is "thirteen billion, seven hundred twenty-three million, two hundred seventy-four thousand, four hundred fifty".