1421333372563 has 16 divisors (see below), whose sum is σ = 1542732006816. Its totient is φ = 1301663301120.

The previous prime is 1421333372491. The next prime is 1421333372573. The reversal of 1421333372563 is 3652733331241.

It is not a de Polignac number, because 1421333372563 - 2²⁵ = 1421299818131 is a prime.

It is a super-2 number, since 2×1421333372563² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421333372573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6937531 + ... + 7139467.

It is an arithmetic number, because the mean of its divisors is an integer number (96420750426).

Almost surely, 2^{1421333372563} is an apocalyptic number.

1421333372563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1421333372563 is a deficient number, since it is larger than the sum of its proper divisors (121398634253).

1421333372563 is a wasteful number, since it uses less digits than its factorization.

1421333372563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206214.

The product of its digits is 816480, while the sum is 43.

The spelling of 1421333372563 in words is "one trillion, four hundred twenty-one billion, three hundred thirty-three million, three hundred seventy-two thousand, five hundred sixty-three".