30042542653 has 4 divisors (see below), whose sum is σ = 30490938880. Its totient is φ = 29594146428.

The previous prime is 30042542641. The next prime is 30042542671. The reversal of 30042542653 is 35624524003.

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: 35624524003 = 229 ⋅155565607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30042542653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042542693) 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, 224198013 + ... + 224198146.

It is an arithmetic number, because the mean of its divisors is an integer number (7622734720).

Almost surely, 2^30042542653 is an apocalyptic number.

It is an amenable number.

30042542653 is a deficient number, since it is larger than the sum of its proper divisors (448396227).

30042542653 is an equidigital number, since it uses as much as digits as its factorization.

30042542653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448396226.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 30042542653 in words is "thirty billion, forty-two million, five hundred forty-two thousand, six hundred fifty-three".