19305942358 has 12 divisors (see below), whose sum is σ = 29452045140. Its totient is φ = 9488619620.

The previous prime is 19305942347. The next prime is 19305942361. The reversal of 19305942358 is 85324950391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502943 + ... + 1515733.

It is an arithmetic number, because the mean of its divisors is an integer number (2454337095).

Almost surely, 2^19305942358 is an apocalyptic number.

19305942358 is a deficient number, since it is larger than the sum of its proper divisors (10146102782).

19305942358 is an frugal number, since it uses more digits than its factorization.

19305942358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25643 (or 12852 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 19305942358 in words is "nineteen billion, three hundred five million, nine hundred forty-two thousand, three hundred fifty-eight".