194653261812 has 48 divisors (see below), whose sum is σ = 467318682432. Its totient is φ = 63022974720.

The previous prime is 194653261757. The next prime is 194653261867. The reversal of 194653261812 is 218162356491.

It is an interprime number because it is at equal distance from previous prime (194653261757) and next prime (194653261867).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759763 + ... + 983130.

It is an arithmetic number, because the mean of its divisors is an integer number (9735805884).

Almost surely, 2^194653261812 is an apocalyptic number.

194653261812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194653261812 is an abundant number, since it is smaller than the sum of its proper divisors (272665420620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194653261812 is a wasteful number, since it uses less digits than its factorization.

194653261812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743168 (or 1743166 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 194653261812 in words is "one hundred ninety-four billion, six hundred fifty-three million, two hundred sixty-one thousand, eight hundred twelve".