1421973968692 has 12 divisors (see below), whose sum is σ = 2488462792480. Its totient is φ = 710984599416.

The previous prime is 1421973968647. The next prime is 1421973968693. The reversal of 1421973968692 is 2968693791241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421973968693) 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, 2084359 + ... + 2681137.

Almost surely, 2^{1421973968692} is an apocalyptic number.

It is an amenable number.

1421973968692 is a deficient number, since it is larger than the sum of its proper divisors (1066488823788).

1421973968692 is a wasteful number, since it uses less digits than its factorization.

1421973968692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192470 (or 1192468 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 67.

The spelling of 1421973968692 in words is "one trillion, four hundred twenty-one billion, nine hundred seventy-three million, nine hundred sixty-eight thousand, six hundred ninety-two".