197896019730 has 32 divisors (see below), whose sum is σ = 479153556864. Its totient is φ = 52305259776.

The previous prime is 197896019689. The next prime is 197896019759. The reversal of 197896019730 is 37910698791.

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, 29184814 + ... + 29191593.

It is an arithmetic number, because the mean of its divisors is an integer number (14973548652).

Almost surely, 2^197896019730 is an apocalyptic number.

197896019730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197896019730 is an abundant number, since it is smaller than the sum of its proper divisors (281257537134).

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

197896019730 is a wasteful number, since it uses less digits than its factorization.

197896019730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58376530.

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 197896019730 in words is "one hundred ninety-seven billion, eight hundred ninety-six million, nineteen thousand, seven hundred thirty".