1421421466 has 8 divisors (see below), whose sum is σ = 2137222080. Its totient is φ = 709014108.

The previous prime is 1421421371. The next prime is 1421421467. The reversal of 1421421466 is 6641241241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1421421467) 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, 847266 + ... + 848941.

It is an arithmetic number, because the mean of its divisors is an integer number (267152760).

Almost surely, 2^1421421466 is an apocalyptic number.

1421421466 is a deficient number, since it is larger than the sum of its proper divisors (715800614).

1421421466 is a wasteful number, since it uses less digits than its factorization.

1421421466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696628.

The product of its digits is 9216, while the sum is 31.

The square root of 1421421466 is about 37701.7435405844. The cubic root of 1421421466 is about 1124.3657899601.

The spelling of 1421421466 in words is "one billion, four hundred twenty-one million, four hundred twenty-one thousand, four hundred sixty-six".