850638571053 has 4 divisors (see below), whose sum is σ = 1134184761408. Its totient is φ = 567092380700.

The previous prime is 850638571021. The next prime is 850638571073. The reversal of 850638571053 is 350175836058.

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 a cyclic number.

It is not a de Polignac number, because 850638571053 - 2⁵ = 850638571021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850638570987 and 850638571005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850638571073) 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, 141773095173 + ... + 141773095178.

It is an arithmetic number, because the mean of its divisors is an integer number (283546190352).

Almost surely, 2^850638571053 is an apocalyptic number.

It is an amenable number.

850638571053 is a deficient number, since it is larger than the sum of its proper divisors (283546190355).

850638571053 is a wasteful number, since it uses less digits than its factorization.

850638571053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283546190354.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 850638571053 in words is "eight hundred fifty billion, six hundred thirty-eight million, five hundred seventy-one thousand, fifty-three".