19955532676 has 6 divisors (see below), whose sum is σ = 34922182190. Its totient is φ = 9977766336.

The previous prime is 19955532673. The next prime is 19955532683. The reversal of 19955532676 is 67623555991.

It can be written as a sum of positive squares in only one way, i.e., 19537330176 + 418202500 = 139776^2 + 20450^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19955532676.

It is not an unprimeable number, because it can be changed into a prime (19955532673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494441581 + ... + 2494441588.

Almost surely, 2^19955532676 is an apocalyptic number.

It is an amenable number.

19955532676 is a deficient number, since it is larger than the sum of its proper divisors (14966649514).

19955532676 is a wasteful number, since it uses less digits than its factorization.

19955532676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988883173 (or 4988883171 counting only the distinct ones).

The product of its digits is 15309000, while the sum is 58.

The spelling of 19955532676 in words is "nineteen billion, nine hundred fifty-five million, five hundred thirty-two thousand, six hundred seventy-six".