30643093919 has 8 divisors (see below), whose sum is σ = 31742670000. Its totient is φ = 29546379072.

The previous prime is 30643093909. The next prime is 30643093927. The reversal of 30643093919 is 91939034603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30643093919 - 2⁴ = 30643093903 is a prime.

It is a super-2 number, since 2×30643093919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643093909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693494 + ... + 736355.

It is an arithmetic number, because the mean of its divisors is an integer number (3967833750).

Almost surely, 2^30643093919 is an apocalyptic number.

30643093919 is a deficient number, since it is larger than the sum of its proper divisors (1099576081).

30643093919 is a wasteful number, since it uses less digits than its factorization.

30643093919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430617.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 30643093919 in words is "thirty billion, six hundred forty-three million, ninety-three thousand, nine hundred nineteen".