30049283727842 has 4 divisors (see below), whose sum is σ = 45073925591766. Its totient is φ = 15024641863920.

The previous prime is 30049283727791. The next prime is 30049283727847. The reversal of 30049283727842 is 24872738294003.

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

It can be written as a sum of positive squares in only one way, i.e., 16861280850001 + 13188002877841 = 4106249^2 + 3631529^2 .

It is not an unprimeable number, because it can be changed into a prime (30049283727847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512320931959 + ... + 7512320931962.

Almost surely, 2^{30049283727842} is an apocalyptic number.

30049283727842 is a deficient number, since it is larger than the sum of its proper divisors (15024641863924).

30049283727842 is a wasteful number, since it uses less digits than its factorization.

30049283727842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024641863923.

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 30049283727842 in words is "thirty trillion, forty-nine billion, two hundred eighty-three million, seven hundred twenty-seven thousand, eight hundred forty-two".