30054199979 has 2 divisors, whose sum is σ = 30054199980. Its totient is φ = 30054199978.

The previous prime is 30054199963. The next prime is 30054200021. The reversal of 30054199979 is 97999145003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30054199979 - 2⁴ = 30054199963 is a prime.

It is not a weakly prime, because it can be changed into another prime (30054199919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027099989 + 15027099990.

It is an arithmetic number, because the mean of its divisors is an integer number (15027099990).

Almost surely, 2^30054199979 is an apocalyptic number.

30054199979 is a deficient number, since it is larger than the sum of its proper divisors (1).

30054199979 is an equidigital number, since it uses as much as digits as its factorization.

30054199979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 30054199979 in words is "thirty billion, fifty-four million, one hundred ninety-nine thousand, nine hundred seventy-nine".