853453694 has 4 divisors (see below), whose sum is σ = 1280180544. Its totient is φ = 426726846.

The previous prime is 853453651. The next prime is 853453697. The reversal of 853453694 is 496354358.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853453697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213363422 + ... + 213363425.

It is an arithmetic number, because the mean of its divisors is an integer number (320045136).

Almost surely, 2^853453694 is an apocalyptic number.

853453694 is a deficient number, since it is larger than the sum of its proper divisors (426726850).

853453694 is a wasteful number, since it uses less digits than its factorization.

853453694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426726849.

The product of its digits is 1555200, while the sum is 47.

The square root of 853453694 is about 29213.9297938501. The cubic root of 853453694 is about 948.5494738977.

The spelling of 853453694 in words is "eight hundred fifty-three million, four hundred fifty-three thousand, six hundred ninety-four".