30506490863 has 8 divisors (see below), whose sum is σ = 30729215232. Its totient is φ = 30284126496.

The previous prime is 30506490857. The next prime is 30506490893. The reversal of 30506490863 is 36809460503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30506490863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30506490893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81281 + ... + 260037.

It is an arithmetic number, because the mean of its divisors is an integer number (3841151904).

Almost surely, 2^30506490863 is an apocalyptic number.

30506490863 is a deficient number, since it is larger than the sum of its proper divisors (222724369).

30506490863 is a wasteful number, since it uses less digits than its factorization.

30506490863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180001.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 30506490863 in words is "thirty billion, five hundred six million, four hundred ninety thousand, eight hundred sixty-three".