1421424121439 has 32 divisors (see below), whose sum is σ = 1673098035840. Its totient is φ = 1182093599232.

The previous prime is 1421424121417. The next prime is 1421424121541. The reversal of 1421424121439 is 9341214241241.

It is not a de Polignac number, because 1421424121439 - 2³⁶ = 1352704644703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421424121639) 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, 181000037 + ... + 181007889.

It is an arithmetic number, because the mean of its divisors is an integer number (52284313620).

Almost surely, 2^{1421424121439} is an apocalyptic number.

1421424121439 is a deficient number, since it is larger than the sum of its proper divisors (251673914401).

1421424121439 is a wasteful number, since it uses less digits than its factorization.

1421424121439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779.

The product of its digits is 55296, while the sum is 38.

The spelling of 1421424121439 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty-nine".