30450621052643 has 4 divisors (see below), whose sum is σ = 33218859330168. Its totient is φ = 27682382775120.

The previous prime is 30450621052637. The next prime is 30450621052693. The reversal of 30450621052643 is 34625012605403.

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

It is a cyclic number.

It is not a de Polignac number, because 30450621052643 - 2¹⁴ = 30450621036259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30450621052643.

It is not an unprimeable number, because it can be changed into a prime (30450621052693) 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, 1384119138746 + ... + 1384119138767.

It is an arithmetic number, because the mean of its divisors is an integer number (8304714832542).

Almost surely, 2^{30450621052643} is an apocalyptic number.

30450621052643 is a deficient number, since it is larger than the sum of its proper divisors (2768238277525).

30450621052643 is a wasteful number, since it uses less digits than its factorization.

30450621052643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768238277524.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 30450621052643 in words is "thirty trillion, four hundred fifty billion, six hundred twenty-one million, fifty-two thousand, six hundred forty-three".