1421748898 has 8 divisors (see below), whose sum is σ = 2134679040. Its totient is φ = 710189220.

The previous prime is 1421748883. The next prime is 1421748931. The reversal of 1421748898 is 8988471241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340018 + ... + 344173.

It is an arithmetic number, because the mean of its divisors is an integer number (266834880).

Almost surely, 2^1421748898 is an apocalyptic number.

1421748898 is a deficient number, since it is larger than the sum of its proper divisors (712930142).

1421748898 is a wasteful number, since it uses less digits than its factorization.

1421748898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685232.

The product of its digits is 1032192, while the sum is 52.

The square root of 1421748898 is about 37706.0856891829. The cubic root of 1421748898 is about 1124.4521178797.

The spelling of 1421748898 in words is "one billion, four hundred twenty-one million, seven hundred forty-eight thousand, eight hundred ninety-eight".