90966238337 has 4 divisors (see below), whose sum is σ = 97963641300. Its totient is φ = 83968835376.

The previous prime is 90966238301. The next prime is 90966238361. The reversal of 90966238337 is 73383266909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73383266909 = 2963 ⋅24766543.

It can be written as a sum of positive squares in 2 ways, for example, as 46533392656 + 44432845681 = 215716^2 + 210791^2 .

It is a cyclic number.

It is not a de Polignac number, because 90966238337 - 2¹⁴ = 90966221953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90966238387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498701462 + ... + 3498701487.

It is an arithmetic number, because the mean of its divisors is an integer number (24490910325).

Almost surely, 2^90966238337 is an apocalyptic number.

It is an amenable number.

90966238337 is a deficient number, since it is larger than the sum of its proper divisors (6997402963).

90966238337 is a wasteful number, since it uses less digits than its factorization.

90966238337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997402962.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 90966238337 in words is "ninety billion, nine hundred sixty-six million, two hundred thirty-eight thousand, three hundred thirty-seven".