30040187719 has 2 divisors, whose sum is σ = 30040187720. Its totient is φ = 30040187718.

The previous prime is 30040187707. The next prime is 30040187743. The reversal of 30040187719 is 91778104003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30040187719 - 2⁷ = 30040187591 is a prime.

It is a super-2 number, since 2×30040187719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30040187789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020093859 + 15020093860.

It is an arithmetic number, because the mean of its divisors is an integer number (15020093860).

Almost surely, 2^30040187719 is an apocalyptic number.

30040187719 is a deficient number, since it is larger than the sum of its proper divisors (1).

30040187719 is an equidigital number, since it uses as much as digits as its factorization.

30040187719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 30040187719 in words is "thirty billion, forty million, one hundred eighty-seven thousand, seven hundred nineteen".