19893996069 has 8 divisors (see below), whose sum is σ = 26546104800. Its totient is φ = 13252275696.

The previous prime is 19893996043. The next prime is 19893996103. The reversal of 19893996069 is 96069939891.

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

It is not a de Polignac number, because 19893996069 - 2¹⁵ = 19893963301 is a prime.

It is a super-2 number, since 2×19893996069² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19893995994 and 19893996012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19893996019) 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, 2592619 + ... + 2600280.

It is an arithmetic number, because the mean of its divisors is an integer number (3318263100).

Almost surely, 2^19893996069 is an apocalyptic number.

It is an amenable number.

19893996069 is a deficient number, since it is larger than the sum of its proper divisors (6652108731).

19893996069 is a wasteful number, since it uses less digits than its factorization.

19893996069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194179.

The product of its (nonzero) digits is 51018336, while the sum is 69.

The spelling of 19893996069 in words is "nineteen billion, eight hundred ninety-three million, nine hundred ninety-six thousand, sixty-nine".