19048342178537 has 6 divisors (see below), whose sum is σ = 22158275595498. Its totient is φ = 16327150438704.

The previous prime is 19048342178531. The next prime is 19048342178539. The reversal of 19048342178537 is 73587124384091.

It can be written as a sum of positive squares in only one way, i.e., 18871283003881 + 177059174656 = 4344109^2 + 420784^2 .

It is not a de Polignac number, because 19048342178537 - 2¹² = 19048342174441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19048342178537.

It is not an unprimeable number, because it can be changed into a prime (19048342178531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194370838508 + ... + 194370838605.

It is an arithmetic number, because the mean of its divisors is an integer number (3693045932583).

Almost surely, 2^{19048342178537} is an apocalyptic number.

It is an amenable number.

19048342178537 is a deficient number, since it is larger than the sum of its proper divisors (3109933416961).

19048342178537 is an equidigital number, since it uses as much as digits as its factorization.

19048342178537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388741677127 (or 388741677120 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 19048342178537 in words is "nineteen trillion, forty-eight billion, three hundred forty-two million, one hundred seventy-eight thousand, five hundred thirty-seven".