1229789793 has 32 divisors (see below), whose sum is σ = 1736163072. Its totient is φ = 773427200.

The previous prime is 1229789791. The next prime is 1229789867. The reversal of 1229789793 is 3979879221.

It is a cyclic number.

It is not a de Polignac number, because 1229789793 - 2¹ = 1229789791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1229789791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461521 + ... + 464177.

It is an arithmetic number, because the mean of its divisors is an integer number (54255096).

Almost surely, 2^1229789793 is an apocalyptic number.

It is an amenable number.

1229789793 is a deficient number, since it is larger than the sum of its proper divisors (506373279).

1229789793 is a wasteful number, since it uses less digits than its factorization.

1229789793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 3429216, while the sum is 57.

The square root of 1229789793 is about 35068.3588580931. The cubic root of 1229789793 is about 1071.3802297757.

The spelling of 1229789793 in words is "one billion, two hundred twenty-nine million, seven hundred eighty-nine thousand, seven hundred ninety-three".