19324068545 has 8 divisors (see below), whose sum is σ = 23754465000. Its totient is φ = 15082199680.

The previous prime is 19324068527. The next prime is 19324068553. The reversal of 19324068545 is 54586042391.

It can be written as a sum of positive squares in 4 ways, for example, as 536431921 + 18787636624 = 23161^2 + 137068^2 .

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

It is not a de Polignac number, because 19324068545 - 2⁸ = 19324068289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19324068545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47131670 + ... + 47132079.

It is an arithmetic number, because the mean of its divisors is an integer number (2969308125).

Almost surely, 2^19324068545 is an apocalyptic number.

It is an amenable number.

19324068545 is a deficient number, since it is larger than the sum of its proper divisors (4430396455).

19324068545 is an equidigital number, since it uses as much as digits as its factorization.

19324068545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94263795.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 19324068545 in words is "nineteen billion, three hundred twenty-four million, sixty-eight thousand, five hundred forty-five".