197090429320 has 32 divisors (see below), whose sum is σ = 455438698200. Its totient is φ = 76705463808.

The previous prime is 197090429311. The next prime is 197090429353. The reversal of 197090429320 is 23924090791.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 165273145444 + 31817283876 = 406538^2 + 178374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66583125 + ... + 66586084.

Almost surely, 2^197090429320 is an apocalyptic number.

197090429320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197090429320 is an abundant number, since it is smaller than the sum of its proper divisors (258348268880).

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

197090429320 is a wasteful number, since it uses less digits than its factorization.

197090429320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133169257 (or 133169253 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 197090429320 in words is "one hundred ninety-seven billion, ninety million, four hundred twenty-nine thousand, three hundred twenty".