13785039453 has 4 divisors (see below), whose sum is σ = 18380052608. Its totient is φ = 9190026300.

The previous prime is 13785039449. The next prime is 13785039469. The reversal of 13785039453 is 35493058731.

13785039453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13785039453 - 2² = 13785039449 is a prime.

It is a super-4 number, since 4×13785039453⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13785039403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2297506573 + ... + 2297506578.

It is an arithmetic number, because the mean of its divisors is an integer number (4595013152).

Almost surely, 2^13785039453 is an apocalyptic number.

It is an amenable number.

13785039453 is a deficient number, since it is larger than the sum of its proper divisors (4595013155).

13785039453 is an equidigital number, since it uses as much as digits as its factorization.

13785039453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595013154.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 13785039453 in words is "thirteen billion, seven hundred eighty-five million, thirty-nine thousand, four hundred fifty-three".