30766136851 has 2 divisors, whose sum is σ = 30766136852. Its totient is φ = 30766136850.

The previous prime is 30766136833. The next prime is 30766136857. The reversal of 30766136851 is 15863166703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30766136851 - 2¹¹ = 30766134803 is a prime.

It is not a weakly prime, because it can be changed into another prime (30766136857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15383068425 + 15383068426.

It is an arithmetic number, because the mean of its divisors is an integer number (15383068426).

Almost surely, 2^30766136851 is an apocalyptic number.

30766136851 is a deficient number, since it is larger than the sum of its proper divisors (1).

30766136851 is an equidigital number, since it uses as much as digits as its factorization.

30766136851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 30766136851 in words is "thirty billion, seven hundred sixty-six million, one hundred thirty-six thousand, eight hundred fifty-one".