1421733164 has 12 divisors (see below), whose sum is σ = 2488335864. Its totient is φ = 710780064.

The previous prime is 1421733163. The next prime is 1421733167. The reversal of 1421733164 is 4613371241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421733164.

It is not an unprimeable number, because it can be changed into a prime (1421733163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27992 + ... + 60224.

It is an arithmetic number, because the mean of its divisors is an integer number (207361322).

Almost surely, 2^1421733164 is an apocalyptic number.

It is an amenable number.

1421733164 is a deficient number, since it is larger than the sum of its proper divisors (1066602700).

1421733164 is a wasteful number, since it uses less digits than its factorization.

1421733164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43264 (or 43262 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 1421733164 is about 37705.8770485451. The cubic root of 1421733164 is about 1124.4479698910.

The spelling of 1421733164 in words is "one billion, four hundred twenty-one million, seven hundred thirty-three thousand, one hundred sixty-four".