19051050147047 has 4 divisors (see below), whose sum is σ = 19051061376480. Its totient is φ = 19051038917616.

The previous prime is 19051050147043. The next prime is 19051050147079. The reversal of 19051050147047 is 74074105015091.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 19051050147047 - 2² = 19051050147043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19051050146989 and 19051050147007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19051050147043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490422 + ... + 6656147.

It is an arithmetic number, because the mean of its divisors is an integer number (4762765344120).

Almost surely, 2^{19051050147047} is an apocalyptic number.

19051050147047 is a deficient number, since it is larger than the sum of its proper divisors (11229433).

19051050147047 is an equidigital number, since it uses as much as digits as its factorization.

19051050147047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229432.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 19051050147047 in words is "nineteen trillion, fifty-one billion, fifty million, one hundred forty-seven thousand, forty-seven".