19612072374559 has 12 divisors (see below), whose sum is σ = 22814172180864. Its totient is φ = 16810252839744.

The previous prime is 19612072374467. The next prime is 19612072374569. The reversal of 19612072374559 is 95547327021691.

It is not a de Polignac number, because 19612072374559 - 2¹¹ = 19612072372511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19612072374497 and 19612072374506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19612072374569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8459607 + ... + 10525639.

It is an arithmetic number, because the mean of its divisors is an integer number (1901181015072).

Almost surely, 2^{19612072374559} is an apocalyptic number.

19612072374559 is a deficient number, since it is larger than the sum of its proper divisors (3202099806305).

19612072374559 is a wasteful number, since it uses less digits than its factorization.

19612072374559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259774 (or 2259767 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 61.

The spelling of 19612072374559 in words is "nineteen trillion, six hundred twelve billion, seventy-two million, three hundred seventy-four thousand, five hundred fifty-nine".