850835000153 has 4 divisors (see below), whose sum is σ = 850932391860. Its totient is φ = 850737608448.

The previous prime is 850835000143. The next prime is 850835000227. The reversal of 850835000153 is 351000538058.

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 126375273049 + 724459727104 = 355493^2 + 851152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850835000153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (850835000143) 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, 48682748 + ... + 48700221.

It is an arithmetic number, because the mean of its divisors is an integer number (212733097965).

Almost surely, 2^850835000153 is an apocalyptic number.

It is an amenable number.

850835000153 is a deficient number, since it is larger than the sum of its proper divisors (97391707).

850835000153 is an equidigital number, since it uses as much as digits as its factorization.

850835000153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97391706.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 850835000153 in words is "eight hundred fifty billion, eight hundred thirty-five million, one hundred fifty-three", and thus it is an aban number.