1421191419975 has 18 divisors (see below), whose sum is σ = 2545511743736. Its totient is φ = 757968757200.

The previous prime is 1421191419937. The next prime is 1421191419983. The reversal of 1421191419975 is 5799141911241.

1421191419975 is a `hidden beast` number, since 1 + 4 + 211 + 9 + 1 + 419 + 9 + 7 + 5 = 666.

It is not a de Polignac number, because 1421191419975 - 2¹² = 1421191415879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3158202931 + ... + 3158203380.

Almost surely, 2^{1421191419975} is an apocalyptic number.

1421191419975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421191419975 is a deficient number, since it is larger than the sum of its proper divisors (1124320323761).

1421191419975 is a wasteful number, since it uses less digits than its factorization.

1421191419975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316406327 (or 6316406319 counting only the distinct ones).

The product of its digits is 816480, while the sum is 54.

The spelling of 1421191419975 in words is "one trillion, four hundred twenty-one billion, one hundred ninety-one million, four hundred nineteen thousand, nine hundred seventy-five".