37066489217 has 4 divisors (see below), whose sum is σ = 37157116740. Its totient is φ = 36975861696.

The previous prime is 37066489193. The next prime is 37066489219. The reversal of 37066489217 is 71298466073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71298466073 = 103237 ⋅690629.

It can be written as a sum of positive squares in 2 ways, for example, as 35964846736 + 1101642481 = 189644^2 + 33191^2 .

It is a cyclic number.

It is not a de Polignac number, because 37066489217 - 2⁸ = 37066488961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37066489219) 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, 45313148 + ... + 45313965.

It is an arithmetic number, because the mean of its divisors is an integer number (9289279185).

Almost surely, 2^37066489217 is an apocalyptic number.

It is an amenable number.

37066489217 is a deficient number, since it is larger than the sum of its proper divisors (90627523).

37066489217 is an equidigital number, since it uses as much as digits as its factorization.

37066489217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90627522.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 37066489217 in words is "thirty-seven billion, sixty-six million, four hundred eighty-nine thousand, two hundred seventeen".