73990659383 has 4 divisors (see below), whose sum is σ = 73991211960. Its totient is φ = 73990106808.

The previous prime is 73990659377. The next prime is 73990659397. The reversal of 73990659383 is 38395609937.

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, and also an emirpimes, since its reverse is a distinct semiprime: 38395609937 = 47 ⋅816927871.

It is a cyclic number.

It is not a de Polignac number, because 73990659383 - 2¹² = 73990655287 is a prime.

It is a super-2 number, since 2×73990659383² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73990659583) 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, 65516 + ... + 390222.

It is an arithmetic number, because the mean of its divisors is an integer number (18497802990).

Almost surely, 2^73990659383 is an apocalyptic number.

73990659383 is a deficient number, since it is larger than the sum of its proper divisors (552577).

73990659383 is a wasteful number, since it uses less digits than its factorization.

73990659383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552576.

The product of its (nonzero) digits is 33067440, while the sum is 62.

The spelling of 73990659383 in words is "seventy-three billion, nine hundred ninety million, six hundred fifty-nine thousand, three hundred eighty-three".