1426005513421 has 4 divisors (see below), whose sum is σ = 1501058435200. Its totient is φ = 1350952591644.

The previous prime is 1426005513397. The next prime is 1426005513473. The reversal of 1426005513421 is 1243155006241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1426005513421 - 2¹¹ = 1426005511373 is a prime.

It is a super-2 number, since 2×1426005513421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426005514421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37526460861 + ... + 37526460898.

It is an arithmetic number, because the mean of its divisors is an integer number (375264608800).

Almost surely, 2^{1426005513421} is an apocalyptic number.

It is an amenable number.

1426005513421 is a deficient number, since it is larger than the sum of its proper divisors (75052921779).

1426005513421 is an equidigital number, since it uses as much as digits as its factorization.

1426005513421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75052921778.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 1426005513421 in words is "one trillion, four hundred twenty-six billion, five million, five hundred thirteen thousand, four hundred twenty-one".