19073669322157 has 4 divisors (see below), whose sum is σ = 19073753895420. Its totient is φ = 19073584748896.

The previous prime is 19073669322077. The next prime is 19073669322173. The reversal of 19073669322157 is 75122396637091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7391362314436 + 11682307007721 = 2718706^2 + 3417939^2 .

It is a cyclic number.

It is not a de Polignac number, because 19073669322157 - 2¹¹ = 19073669320109 is a prime.

It is a super-2 number, since 2×19073669322157² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19073669322095 and 19073669322104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19073669320157) 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, 41947432 + ... + 42399697.

It is an arithmetic number, because the mean of its divisors is an integer number (4768438473855).

Almost surely, 2^{19073669322157} is an apocalyptic number.

It is an amenable number.

19073669322157 is a deficient number, since it is larger than the sum of its proper divisors (84573263).

19073669322157 is an equidigital number, since it uses as much as digits as its factorization.

19073669322157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84573262.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 19073669322157 in words is "nineteen trillion, seventy-three billion, six hundred sixty-nine million, three hundred twenty-two thousand, one hundred fifty-seven".