19074771384929 has 16 divisors (see below), whose sum is σ = 20602312264128. Its totient is φ = 17555908773312.

The previous prime is 19074771384859. The next prime is 19074771384937. The reversal of 19074771384929 is 92948317747091.

It is a de Polignac number, because none of the positive numbers 2^k-19074771384929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19074771384329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4970939 + ... + 7928415.

It is an arithmetic number, because the mean of its divisors is an integer number (1287644516508).

Almost surely, 2^{19074771384929} is an apocalyptic number.

It is an amenable number.

19074771384929 is a deficient number, since it is larger than the sum of its proper divisors (1527540879199).

19074771384929 is a wasteful number, since it uses less digits than its factorization.

19074771384929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958944.

The product of its (nonzero) digits is 192036096, while the sum is 71.

The spelling of 19074771384929 in words is "nineteen trillion, seventy-four billion, seven hundred seventy-one million, three hundred eighty-four thousand, nine hundred twenty-nine".