30168534997 has 4 divisors (see below), whose sum is σ = 30170791296. Its totient is φ = 30166278700.

The previous prime is 30168534971. The next prime is 30168535013. The reversal of 30168534997 is 79943586103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79943586103 = 641 ⋅124716983.

It is a cyclic number.

It is not a de Polignac number, because 30168534997 - 2¹¹ = 30168532949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30168534937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107973 + ... + 1134874.

It is an arithmetic number, because the mean of its divisors is an integer number (7542697824).

Almost surely, 2^30168534997 is an apocalyptic number.

It is an amenable number.

30168534997 is a deficient number, since it is larger than the sum of its proper divisors (2256299).

30168534997 is a wasteful number, since it uses less digits than its factorization.

30168534997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256298.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 30168534997 in words is "thirty billion, one hundred sixty-eight million, five hundred thirty-four thousand, nine hundred ninety-seven".