30719733419 has 2 divisors, whose sum is σ = 30719733420. Its totient is φ = 30719733418.

The previous prime is 30719733301. The next prime is 30719733427. The reversal of 30719733419 is 91433791703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30719733419 - 2¹² = 30719729323 is a prime.

It is a super-2 number, since 2×30719733419² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30719733449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15359866709 + 15359866710.

It is an arithmetic number, because the mean of its divisors is an integer number (15359866710).

Almost surely, 2^30719733419 is an apocalyptic number.

30719733419 is a deficient number, since it is larger than the sum of its proper divisors (1).

30719733419 is an equidigital number, since it uses as much as digits as its factorization.

30719733419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 47.

The spelling of 30719733419 in words is "thirty billion, seven hundred nineteen million, seven hundred thirty-three thousand, four hundred nineteen".