19649416763 has 8 divisors (see below), whose sum is σ = 20072017728. Its totient is φ = 19231241224.

The previous prime is 19649416739. The next prime is 19649416769. The reversal of 19649416763 is 36761494691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19649416763 - 2¹⁰ = 19649415739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19649416699 and 19649416708.

It is not an unprimeable number, because it can be changed into a prime (19649416769) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1097381 + ... + 1115142.

It is an arithmetic number, because the mean of its divisors is an integer number (2509002216).

Almost surely, 2^19649416763 is an apocalyptic number.

19649416763 is a deficient number, since it is larger than the sum of its proper divisors (422600965).

19649416763 is a wasteful number, since it uses less digits than its factorization.

19649416763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212713.

The product of its digits is 5878656, while the sum is 56.

The spelling of 19649416763 in words is "nineteen billion, six hundred forty-nine million, four hundred sixteen thousand, seven hundred sixty-three".