427297213494 has 32 divisors (see below), whose sum is σ = 999525648000. Its totient is φ = 134935961832.

The previous prime is 427297213487. The next prime is 427297213549. The reversal of 427297213494 is 494312792724.

427297213494 is a `hidden beast` number, since 4 + 2 + 7 + 297 + 2 + 1 + 349 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 427297213494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208233484 + ... + 208235535.

It is an arithmetic number, because the mean of its divisors is an integer number (31235176500).

Almost surely, 2^427297213494 is an apocalyptic number.

427297213494 is an abundant number, since it is smaller than the sum of its proper divisors (572228434506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427297213494 is a wasteful number, since it uses less digits than its factorization.

427297213494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416469049 (or 416469043 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 427297213494 in words is "four hundred twenty-seven billion, two hundred ninety-seven million, two hundred thirteen thousand, four hundred ninety-four".