30266643243 has 16 divisors (see below), whose sum is σ = 42842148480. Its totient is φ = 18940715136.

The previous prime is 30266643193. The next prime is 30266643257. The reversal of 30266643243 is 34234666203.

It is a de Polignac number, because none of the positive numbers 2^k-30266643243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30266643283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763605 + ... + 802262.

It is an arithmetic number, because the mean of its divisors is an integer number (2677634280).

Almost surely, 2^30266643243 is an apocalyptic number.

30266643243 is a deficient number, since it is larger than the sum of its proper divisors (12575505237).

30266643243 is a wasteful number, since it uses less digits than its factorization.

30266643243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566266.

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 30266643243 in words is "thirty billion, two hundred sixty-six million, six hundred forty-three thousand, two hundred forty-three".