853450383394 has 32 divisors (see below), whose sum is σ = 1472903536896. Its totient is φ = 363303532800.

The previous prime is 853450383367. The next prime is 853450383397. The reversal of 853450383394 is 493383054358.

It is not an unprimeable number, because it can be changed into a prime (853450383397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29397574 + ... + 29426590.

It is an arithmetic number, because the mean of its divisors is an integer number (46028235528).

Almost surely, 2^853450383394 is an apocalyptic number.

853450383394 is a deficient number, since it is larger than the sum of its proper divisors (619453153502).

853450383394 is a wasteful number, since it uses less digits than its factorization.

853450383394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43090.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 853450383394 in words is "eight hundred fifty-three billion, four hundred fifty million, three hundred eighty-three thousand, three hundred ninety-four".