1463221897 has 8 divisors (see below), whose sum is σ = 1480032000. Its totient is φ = 1446470064.

The previous prime is 1463221871. The next prime is 1463221913. The reversal of 1463221897 is 7981223641.

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

It is a cyclic number.

It is not a de Polignac number, because 1463221897 - 2¹⁹ = 1462697609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1463221847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36979 + ... + 65527.

It is an arithmetic number, because the mean of its divisors is an integer number (185004000).

Almost surely, 2^1463221897 is an apocalyptic number.

It is an amenable number.

1463221897 is a deficient number, since it is larger than the sum of its proper divisors (16810103).

1463221897 is a wasteful number, since it uses less digits than its factorization.

1463221897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29135.

The product of its digits is 145152, while the sum is 43.

The square root of 1463221897 is about 38252.0835641668. The cubic root of 1463221897 is about 1135.2810722706.

The spelling of 1463221897 in words is "one billion, four hundred sixty-three million, two hundred twenty-one thousand, eight hundred ninety-seven".