1421745368 has 32 divisors (see below), whose sum is σ = 2784015360. Its totient is φ = 679393440.

The previous prime is 1421745349. The next prime is 1421745379. The reversal of 1421745368 is 8635471241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285863 + ... + 290793.

It is an arithmetic number, because the mean of its divisors is an integer number (87000480).

Almost surely, 2^1421745368 is an apocalyptic number.

It is an amenable number.

1421745368 is a deficient number, since it is larger than the sum of its proper divisors (1362269992).

1421745368 is a wasteful number, since it uses less digits than its factorization.

1421745368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527 (or 6523 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 1421745368 is about 37706.0388797338. The cubic root of 1421745368 is about 1124.4511872608.

The spelling of 1421745368 in words is "one billion, four hundred twenty-one million, seven hundred forty-five thousand, three hundred sixty-eight".