73990032019 has 2 divisors, whose sum is σ = 73990032020. Its totient is φ = 73990032018.

The previous prime is 73990031963. The next prime is 73990032023. The reversal of 73990032019 is 91023009937.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73990032019 is a prime.

It is a super-2 number, since 2×73990032019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73990032029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36995016009 + 36995016010.

It is an arithmetic number, because the mean of its divisors is an integer number (36995016010).

Almost surely, 2^73990032019 is an apocalyptic number.

73990032019 is a deficient number, since it is larger than the sum of its proper divisors (1).

73990032019 is an equidigital number, since it uses as much as digits as its factorization.

73990032019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 43.

The spelling of 73990032019 in words is "seventy-three billion, nine hundred ninety million, thirty-two thousand, nineteen".