30620463243 has 4 divisors (see below), whose sum is σ = 40827284328. Its totient is φ = 20413642160.

The previous prime is 30620463239. The next prime is 30620463259. The reversal of 30620463243 is 34236402603.

It is a happy number.

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 30620463243 - 2² = 30620463239 is a prime.

It is a super-2 number, since 2×30620463243² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30620463283) 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, 5103410538 + ... + 5103410543.

It is an arithmetic number, because the mean of its divisors is an integer number (10206821082).

Almost surely, 2^30620463243 is an apocalyptic number.

30620463243 is a deficient number, since it is larger than the sum of its proper divisors (10206821085).

30620463243 is a wasteful number, since it uses less digits than its factorization.

30620463243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206821084.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 30620463243 its reverse (34236402603), we get a palindrome (64856865846).

The spelling of 30620463243 in words is "thirty billion, six hundred twenty million, four hundred sixty-three thousand, two hundred forty-three".