19123067137964 has 24 divisors (see below), whose sum is σ = 33483138168480. Its totient is φ = 9556456719744.

The previous prime is 19123067137963. The next prime is 19123067137987. The reversal of 19123067137964 is 46973176032191.

It is not an unprimeable number, because it can be changed into a prime (19123067137963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199602017 + ... + 199697799.

It is an arithmetic number, because the mean of its divisors is an integer number (1395130757020).

Almost surely, 2^{19123067137964} is an apocalyptic number.

It is an amenable number.

19123067137964 is a deficient number, since it is larger than the sum of its proper divisors (14360071030516).

19123067137964 is a wasteful number, since it uses less digits than its factorization.

19123067137964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121769 (or 121767 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 19123067137964 in words is "nineteen trillion, one hundred twenty-three billion, sixty-seven million, one hundred thirty-seven thousand, nine hundred sixty-four".