19047475774616 has 16 divisors (see below), whose sum is σ = 37814841611640. Its totient is φ = 8963518011520.

The previous prime is 19047475774553. The next prime is 19047475774627. The reversal of 19047475774616 is 61647757474091.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 70027484330 + ... + 70027484601.

Almost surely, 2^{19047475774616} is an apocalyptic number.

It is an amenable number.

19047475774616 is a deficient number, since it is larger than the sum of its proper divisors (18767365837024).

19047475774616 is a wasteful number, since it uses less digits than its factorization.

19047475774616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140054968954 (or 140054968950 counting only the distinct ones).

The product of its (nonzero) digits is 248935680, while the sum is 68.

The spelling of 19047475774616 in words is "nineteen trillion, forty-seven billion, four hundred seventy-five million, seven hundred seventy-four thousand, six hundred sixteen".