814185253039 has 4 divisors (see below), whose sum is σ = 814187112256. Its totient is φ = 814183393824.

The previous prime is 814185253001. The next prime is 814185253061. The reversal of 814185253039 is 930352581418.

814185253039 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814185253039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814185252983 and 814185253001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814185253439) 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, 129442 + ... + 1282624.

It is an arithmetic number, because the mean of its divisors is an integer number (203546778064).

Almost surely, 2^814185253039 is an apocalyptic number.

814185253039 is a deficient number, since it is larger than the sum of its proper divisors (1859217).

814185253039 is a wasteful number, since it uses less digits than its factorization.

814185253039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859216.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 814185253039 in words is "eight hundred fourteen billion, one hundred eighty-five million, two hundred fifty-three thousand, thirty-nine".