19308744041 has 8 divisors (see below), whose sum is σ = 21104054784. Its totient is φ = 17586711360.

The previous prime is 19308744029. The next prime is 19308744047. The reversal of 19308744041 is 14044780391.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19308744041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19308744041.

It is not an unprimeable number, because it can be changed into a prime (19308744047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18318965 + ... + 18320018.

It is an arithmetic number, because the mean of its divisors is an integer number (2638006848).

Almost surely, 2^19308744041 is an apocalyptic number.

It is an amenable number.

19308744041 is a deficient number, since it is larger than the sum of its proper divisors (1795310743).

19308744041 is a wasteful number, since it uses less digits than its factorization.

19308744041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36639031.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 19308744041 in words is "nineteen billion, three hundred eight million, seven hundred forty-four thousand, forty-one".