853019642 has 16 divisors (see below), whose sum is σ = 1356419520. Its totient is φ = 400939968.

The previous prime is 853019641. The next prime is 853019689. The reversal of 853019642 is 246910358.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 853019596 and 853019605.

It is not an unprimeable number, because it can be changed into a prime (853019641) 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, 14603 + ... + 43809.

It is an arithmetic number, because the mean of its divisors is an integer number (84776220).

Almost surely, 2^853019642 is an apocalyptic number.

It is a pronic number, being equal to 29206×29207.

853019642 is a deficient number, since it is larger than the sum of its proper divisors (503399878).

853019642 is a wasteful number, since it uses less digits than its factorization.

853019642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30085.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 853019642 is about 29206.4999957201. The cubic root of 853019642 is about 948.3886412648.

The spelling of 853019642 in words is "eight hundred fifty-three million, nineteen thousand, six hundred forty-two".