1421719050775 has 12 divisors (see below), whose sum is σ = 1789244037352. Its totient is φ = 1120399489440.

The previous prime is 1421719050767. The next prime is 1421719050809. The reversal of 1421719050775 is 5770509171241.

It is a happy number.

It is not a de Polignac number, because 1421719050775 - 2³ = 1421719050767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424392072 + ... + 424395421.

Almost surely, 2^{1421719050775} is an apocalyptic number.

1421719050775 is a deficient number, since it is larger than the sum of its proper divisors (367524986577).

1421719050775 is an equidigital number, since it uses as much as digits as its factorization.

1421719050775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848787570 (or 848787565 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 49.

The spelling of 1421719050775 in words is "one trillion, four hundred twenty-one billion, seven hundred nineteen million, fifty thousand, seven hundred seventy-five".