199403489292 has 48 divisors (see below), whose sum is σ = 531895392000. Its totient is φ = 56956059072.

The previous prime is 199403489287. The next prime is 199403489317. The reversal of 199403489292 is 292984304991.

It is a super-2 number, since 2×199403489292² (a number of 23 digits) contains 22 as substring.

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, 45303 + ... + 633134.

It is an arithmetic number, because the mean of its divisors is an integer number (11081154000).

Almost surely, 2^199403489292 is an apocalyptic number.

199403489292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199403489292 is an abundant number, since it is smaller than the sum of its proper divisors (332491902708).

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

199403489292 is a wasteful number, since it uses less digits than its factorization.

199403489292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681950 (or 681948 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 199403489292 in words is "one hundred ninety-nine billion, four hundred three million, four hundred eighty-nine thousand, two hundred ninety-two".