1421730204573 has 32 divisors (see below), whose sum is σ = 2224412128512. Its totient is φ = 790771507200.

The previous prime is 1421730204569. The next prime is 1421730204689. The reversal of 1421730204573 is 3754020371241.

It is not a de Polignac number, because 1421730204573 - 2² = 1421730204569 is a prime.

It is a super-2 number, since 2×1421730204573² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421730204563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533948 + ... + 2279573.

It is an arithmetic number, because the mean of its divisors is an integer number (69512879016).

Almost surely, 2^{1421730204573} is an apocalyptic number.

It is an amenable number.

1421730204573 is a deficient number, since it is larger than the sum of its proper divisors (802681923939).

1421730204573 is a wasteful number, since it uses less digits than its factorization.

1421730204573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814005.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 1421730204573 in words is "one trillion, four hundred twenty-one billion, seven hundred thirty million, two hundred four thousand, five hundred seventy-three".