19226694865969 has 16 divisors (see below), whose sum is σ = 19665247979520. Its totient is φ = 18793080306000.

The previous prime is 19226694865967. The next prime is 19226694865993. The reversal of 19226694865969 is 96956849662291.

It is a cyclic number.

It is not a de Polignac number, because 19226694865969 - 2¹ = 19226694865967 is a prime.

It is a super-2 number, since 2×19226694865969² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19226694865892 and 19226694865901.

It is not an unprimeable number, because it can be changed into a prime (19226694865967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8668954 + ... + 10658524.

It is an arithmetic number, because the mean of its divisors is an integer number (1229077998720).

Almost surely, 2^{19226694865969} is an apocalyptic number.

It is an amenable number.

19226694865969 is a deficient number, since it is larger than the sum of its proper divisors (438553113551).

19226694865969 is a wasteful number, since it uses less digits than its factorization.

19226694865969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990812.

The product of its digits is 5441955840, while the sum is 82.

The spelling of 19226694865969 in words is "nineteen trillion, two hundred twenty-six billion, six hundred ninety-four million, eight hundred sixty-five thousand, nine hundred sixty-nine".