30676420651 has 2 divisors, whose sum is σ = 30676420652. Its totient is φ = 30676420650.

The previous prime is 30676420609. The next prime is 30676420711. The reversal of 30676420651 is 15602467603.

It is a weak prime.

It is an emirp because it is prime and its reverse (15602467603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30676420651 - 2¹⁵ = 30676387883 is a prime.

It is not a weakly prime, because it can be changed into another prime (30676420051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15338210325 + 15338210326.

It is an arithmetic number, because the mean of its divisors is an integer number (15338210326).

Almost surely, 2^30676420651 is an apocalyptic number.

30676420651 is a deficient number, since it is larger than the sum of its proper divisors (1).

30676420651 is an equidigital number, since it uses as much as digits as its factorization.

30676420651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 30676420651 in words is "thirty billion, six hundred seventy-six million, four hundred twenty thousand, six hundred fifty-one".