30851254643 has 16 divisors (see below), whose sum is σ = 34873480800. Its totient is φ = 27035124480.

The previous prime is 30851254619. The next prime is 30851254703. The reversal of 30851254643 is 34645215803.

It is a cyclic number.

It is not a de Polignac number, because 30851254643 - 2¹⁴ = 30851238259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30851254643.

It is not an unprimeable number, because it can be changed into a prime (30851254843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116663 + ... + 274431.

It is an arithmetic number, because the mean of its divisors is an integer number (2179592550).

Almost surely, 2^30851254643 is an apocalyptic number.

30851254643 is a deficient number, since it is larger than the sum of its proper divisors (4022226157).

30851254643 is a wasteful number, since it uses less digits than its factorization.

30851254643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158422.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 30851254643 in words is "thirty billion, eight hundred fifty-one million, two hundred fifty-four thousand, six hundred forty-three".