73142196019 has 4 divisors (see below), whose sum is σ = 73142961496. Its totient is φ = 73141430544.

The previous prime is 73142196013. The next prime is 73142196047. The reversal of 73142196019 is 91069124137.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 73142196019 - 2¹⁹ = 73141671731 is a prime.

It is a super-2 number, since 2×73142196019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73142196013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214869 + ... + 438694.

It is an arithmetic number, because the mean of its divisors is an integer number (18285740374).

Almost surely, 2^73142196019 is an apocalyptic number.

73142196019 is a deficient number, since it is larger than the sum of its proper divisors (765477).

73142196019 is a wasteful number, since it uses less digits than its factorization.

73142196019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765476.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 73142196019 in words is "seventy-three billion, one hundred forty-two million, one hundred ninety-six thousand, nineteen".