19914595827 has 24 divisors (see below), whose sum is σ = 31884337152. Its totient is φ = 11012677200.

The previous prime is 19914595817. The next prime is 19914595871. The reversal of 19914595827 is 72859541991.

It is not a de Polignac number, because 19914595827 - 2⁷ = 19914595699 is a prime.

It is a super-2 number, since 2×19914595827² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19914595817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2180499 + ... + 2189612.

It is an arithmetic number, because the mean of its divisors is an integer number (1328514048).

Almost surely, 2^19914595827 is an apocalyptic number.

19914595827 is a deficient number, since it is larger than the sum of its proper divisors (11969741325).

19914595827 is a wasteful number, since it uses less digits than its factorization.

19914595827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370159 (or 4370152 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 60.

The spelling of 19914595827 in words is "nineteen billion, nine hundred fourteen million, five hundred ninety-five thousand, eight hundred twenty-seven".