30381076819 has 2 divisors, whose sum is σ = 30381076820. Its totient is φ = 30381076818.

The previous prime is 30381076811. The next prime is 30381076829. The reversal of 30381076819 is 91867018303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30381076819 - 2³ = 30381076811 is a prime.

It is a super-2 number, since 2×30381076819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30381076811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15190538409 + 15190538410.

It is an arithmetic number, because the mean of its divisors is an integer number (15190538410).

Almost surely, 2^30381076819 is an apocalyptic number.

30381076819 is a deficient number, since it is larger than the sum of its proper divisors (1).

30381076819 is an equidigital number, since it uses as much as digits as its factorization.

30381076819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 30381076819 in words is "thirty billion, three hundred eighty-one million, seventy-six thousand, eight hundred nineteen".