197075002090 has 32 divisors (see below), whose sum is σ = 357604429824. Its totient is φ = 78192616320.

The previous prime is 197075002021. The next prime is 197075002147. The reversal of 197075002090 is 90200570791.

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, 7170675 + ... + 7198105.

It is an arithmetic number, because the mean of its divisors is an integer number (11175138432).

Almost surely, 2^197075002090 is an apocalyptic number.

197075002090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197075002090 is a deficient number, since it is larger than the sum of its proper divisors (160529427734).

197075002090 is a wasteful number, since it uses less digits than its factorization.

197075002090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33222.

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 197075002090 in words is "one hundred ninety-seven billion, seventy-five million, two thousand, ninety".