30197994686 has 8 divisors (see below), whose sum is σ = 45300041640. Its totient is φ = 15097980808.

The previous prime is 30197994667. The next prime is 30197994767. The reversal of 30197994686 is 68649979103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470576 + ... + 530883.

It is an arithmetic number, because the mean of its divisors is an integer number (5662505205).

Almost surely, 2^30197994686 is an apocalyptic number.

30197994686 is a deficient number, since it is larger than the sum of its proper divisors (15102046954).

30197994686 is a wasteful number, since it uses less digits than its factorization.

30197994686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016538.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 30197994686 in words is "thirty billion, one hundred ninety-seven million, nine hundred ninety-four thousand, six hundred eighty-six".