1196954021644 has 6 divisors (see below), whose sum is σ = 2094669537884. Its totient is φ = 598477010820.

The previous prime is 1196954021639. The next prime is 1196954021651. The reversal of 1196954021644 is 4461204596911.

It is a junction number, because it is equal to n+sod(n) for n = 1196954021591 and 1196954021600.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 149619252702 + ... + 149619252709.

Almost surely, 2^{1196954021644} is an apocalyptic number.

It is an amenable number.

1196954021644 is a deficient number, since it is larger than the sum of its proper divisors (897715516240).

1196954021644 is a wasteful number, since it uses less digits than its factorization.

1196954021644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299238505415 (or 299238505413 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 1196954021644 in words is "one trillion, one hundred ninety-six billion, nine hundred fifty-four million, twenty-one thousand, six hundred forty-four".