30642250645 has 8 divisors (see below), whose sum is σ = 37288598400. Its totient is φ = 24168535440.

The previous prime is 30642250621. The next prime is 30642250673. The reversal of 30642250645 is 54605224603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30642250645 - 2⁷ = 30642250517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43157745 + ... + 43158454.

It is an arithmetic number, because the mean of its divisors is an integer number (4661074800).

Almost surely, 2^30642250645 is an apocalyptic number.

It is an amenable number.

30642250645 is a deficient number, since it is larger than the sum of its proper divisors (6646347755).

30642250645 is an equidigital number, since it uses as much as digits as its factorization.

30642250645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86316275.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 30642250645 in words is "thirty billion, six hundred forty-two million, two hundred fifty thousand, six hundred forty-five".