1097809399696 has 45 divisors (see below), whose sum is σ = 2141467469211. Its totient is φ = 545197710816.

The previous prime is 1097809399679. The next prime is 1097809399723. The reversal of 1097809399696 is 6969939087901.

The square root of 1097809399696 is 1047764.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 683141325 + ... + 683142931.

Almost surely, 2^{1097809399696} is an apocalyptic number.

1097809399696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1097809399696 is the 1047764-th square number.

It is an amenable number.

1097809399696 is a deficient number, since it is larger than the sum of its proper divisors (1043658069515).

1097809399696 is an frugal number, since it uses more digits than its factorization.

1097809399696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 357128352, while the sum is 76.

The spelling of 1097809399696 in words is "one trillion, ninety-seven billion, eight hundred nine million, three hundred ninety-nine thousand, six hundred ninety-six".