30197993606697 has 32 divisors (see below), whose sum is σ = 48612750668800. Its totient is φ = 16288768675008.

The previous prime is 30197993606689. The next prime is 30197993606771. The reversal of 30197993606697 is 79660639979103.

It is not a de Polignac number, because 30197993606697 - 2³ = 30197993606689 is a prime.

It is a super-2 number, since 2×30197993606697² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30197993606657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136503547 + ... + 136724592.

It is an arithmetic number, because the mean of its divisors is an integer number (1519148458400).

Almost surely, 2^{30197993606697} is an apocalyptic number.

It is an amenable number.

30197993606697 is a deficient number, since it is larger than the sum of its proper divisors (18414757062103).

30197993606697 is a wasteful number, since it uses less digits than its factorization.

30197993606697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273228445.

The product of its (nonzero) digits is 624974616, while the sum is 75.

The spelling of 30197993606697 in words is "thirty trillion, one hundred ninety-seven billion, nine hundred ninety-three million, six hundred six thousand, six hundred ninety-seven".