1321922349 has 40 divisors (see below), whose sum is σ = 2157788160. Its totient is φ = 799848000.

The previous prime is 1321922333. The next prime is 1321922417. The reversal of 1321922349 is 9432291231.

It is not a de Polignac number, because 1321922349 - 2⁴ = 1321922333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321924349) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1024897 + ... + 1026185.

It is an arithmetic number, because the mean of its divisors is an integer number (53944704).

Almost surely, 2^1321922349 is an apocalyptic number.

It is an amenable number.

1321922349 is a deficient number, since it is larger than the sum of its proper divisors (835865811).

1321922349 is a wasteful number, since it uses less digits than its factorization.

1321922349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2454 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1321922349 is about 36358.2500816527. The cubic root of 1321922349 is about 1097.4935629194.

The spelling of 1321922349 in words is "one billion, three hundred twenty-one million, nine hundred twenty-two thousand, three hundred forty-nine".