19069923457 has 8 divisors (see below), whose sum is σ = 20538215936. Its totient is φ = 17601827472.

The previous prime is 19069923437. The next prime is 19069923463. The reversal of 19069923457 is 75432996091.

It is a happy number.

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 19069923457 - 2⁷ = 19069923329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19069923398 and 19069923407.

It is not an unprimeable number, because it can be changed into a prime (19069923427) 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, 198838 + ... + 278704.

It is an arithmetic number, because the mean of its divisors is an integer number (2567276992).

Almost surely, 2^19069923457 is an apocalyptic number.

It is an amenable number.

19069923457 is a deficient number, since it is larger than the sum of its proper divisors (1468292479).

19069923457 is a wasteful number, since it uses less digits than its factorization.

19069923457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98247.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 19069923457 in words is "nineteen billion, sixty-nine million, nine hundred twenty-three thousand, four hundred fifty-seven".