1421703398016 has 1024 divisors, whose sum is σ = 5177696256000. Its totient is φ = 378711244800.

The previous prime is 1421703398009. The next prime is 1421703398029. The reversal of 1421703398016 is 6108933071241.

1421703398016 is a `hidden beast` number, since 14 + 217 + 0 + 339 + 80 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 580997305 + ... + 580999751.

It is an arithmetic number, because the mean of its divisors is an integer number (5056344000).

Almost surely, 2^{1421703398016} is an apocalyptic number.

1421703398016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421703398016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2588848128000).

1421703398016 is an abundant number, since it is smaller than the sum of its proper divisors (3755992857984).

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

1421703398016 is a wasteful number, since it uses less digits than its factorization.

1421703398016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 1421703398016 in words is "one trillion, four hundred twenty-one billion, seven hundred three million, three hundred ninety-eight thousand, sixteen".