30217438745 has 16 divisors (see below), whose sum is σ = 39058424832. Its totient is φ = 22309732800.

The previous prime is 30217438733. The next prime is 30217438777. The reversal of 30217438745 is 54783471203.

It is not a de Polignac number, because 30217438745 - 2⁴ = 30217438729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30217438696 and 30217438705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280220 + ... + 372770.

It is an arithmetic number, because the mean of its divisors is an integer number (2441151552).

Almost surely, 2^30217438745 is an apocalyptic number.

It is an amenable number.

30217438745 is a deficient number, since it is larger than the sum of its proper divisors (8840986087).

30217438745 is a wasteful number, since it uses less digits than its factorization.

30217438745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97592.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 30217438745 in words is "thirty billion, two hundred seventeen million, four hundred thirty-eight thousand, seven hundred forty-five".