447020869419 has 16 divisors (see below), whose sum is σ = 667308512640. Its totient is φ = 295738995240.

The previous prime is 447020869397. The next prime is 447020869433. The reversal of 447020869419 is 914968020744.

447020869419 is a `hidden beast` number, since 4 + 470 + 2 + 0 + 86 + 94 + 1 + 9 = 666.

It is not a de Polignac number, because 447020869419 - 2²⁵ = 446987314987 is a prime.

It is a super-2 number, since 2×447020869419² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (447020865419) 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, 63188557 + ... + 63195630.

It is an arithmetic number, because the mean of its divisors is an integer number (41706782040).

Almost surely, 2^447020869419 is an apocalyptic number.

447020869419 is a deficient number, since it is larger than the sum of its proper divisors (220287643221).

447020869419 is a wasteful number, since it uses less digits than its factorization.

447020869419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126384327 (or 126384321 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 447020869419 in words is "four hundred forty-seven billion, twenty million, eight hundred sixty-nine thousand, four hundred nineteen".