19825264468 has 12 divisors (see below), whose sum is σ = 36520224160. Its totient is φ = 9390914712.

The previous prime is 19825264387. The next prime is 19825264471. The reversal of 19825264468 is 86446252891.

It is a super-2 number, since 2×19825264468² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130429296 + ... + 130429447.

Almost surely, 2^19825264468 is an apocalyptic number.

It is an amenable number.

19825264468 is a deficient number, since it is larger than the sum of its proper divisors (16694959692).

19825264468 is a wasteful number, since it uses less digits than its factorization.

19825264468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260858766 (or 260858764 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 55.

The spelling of 19825264468 in words is "nineteen billion, eight hundred twenty-five million, two hundred sixty-four thousand, four hundred sixty-eight".