1421645346 has 48 divisors (see below), whose sum is σ = 3392925120. Its totient is φ = 426612960.

The previous prime is 1421645299. The next prime is 1421645353. The reversal of 1421645346 is 6435461241.

1421645346 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 645 + 3 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1421645346.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14461 + ... + 55248.

It is an arithmetic number, because the mean of its divisors is an integer number (70685940).

Almost surely, 2^1421645346 is an apocalyptic number.

1421645346 is an abundant number, since it is smaller than the sum of its proper divisors (1971279774).

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

1421645346 is a wasteful number, since it uses less digits than its factorization.

1421645346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69831 (or 69828 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1421645346 is about 37704.7125171377. The cubic root of 1421645346 is about 1124.4248176785.

The spelling of 1421645346 in words is "one billion, four hundred twenty-one million, six hundred forty-five thousand, three hundred forty-six".