30542202667 has 4 divisors (see below), whose sum is σ = 31042894576. Its totient is φ = 30041510760.

The previous prime is 30542202661. The next prime is 30542202671. The reversal of 30542202667 is 76620224503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30542202667 is a prime.

It is a super-2 number, since 2×30542202667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30542202661) 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, 250345863 + ... + 250345984.

It is an arithmetic number, because the mean of its divisors is an integer number (7760723644).

Almost surely, 2^30542202667 is an apocalyptic number.

30542202667 is a deficient number, since it is larger than the sum of its proper divisors (500691909).

30542202667 is an equidigital number, since it uses as much as digits as its factorization.

30542202667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500691908.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 30542202667 in words is "thirty billion, five hundred forty-two million, two hundred two thousand, six hundred sixty-seven".