73409988990437 has 8 divisors (see below), whose sum is σ = 81787531254912. Its totient is φ = 65316431209600.

The previous prime is 73409988990421. The next prime is 73409988990581.

73409988990437 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73409988990437 - 2⁴ = 73409988990421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73409988930437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70996120364 + ... + 70996121397.

It is an arithmetic number, because the mean of its divisors is an integer number (10223441406864).

Almost surely, 2^{73409988990437} is an apocalyptic number.

It is an amenable number.

73409988990437 is a deficient number, since it is larger than the sum of its proper divisors (8377542264475).

73409988990437 is a wasteful number, since it uses less digits than its factorization.

73409988990437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141992241819.

The product of its (nonzero) digits is 2962842624, while the sum is 80.

The spelling of 73409988990437 in words is "seventy-three trillion, four hundred nine billion, nine hundred eighty-eight million, nine hundred ninety thousand, four hundred thirty-seven".