850499215430 has 16 divisors (see below), whose sum is σ = 1530965000880. Its totient is φ = 340184927712.

The previous prime is 850499215427. The next prime is 850499215439. The reversal of 850499215430 is 34512994058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850499215439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601240 + ... + 2065179.

It is an arithmetic number, because the mean of its divisors is an integer number (95685312555).

Almost surely, 2^850499215430 is an apocalyptic number.

850499215430 is a deficient number, since it is larger than the sum of its proper divisors (680465785450).

850499215430 is a wasteful number, since it uses less digits than its factorization.

850499215430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689623.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 850499215430 in words is "eight hundred fifty billion, four hundred ninety-nine million, two hundred fifteen thousand, four hundred thirty".