37831417009 has 27 divisors (see below), whose sum is σ = 41469096513. Its totient is φ = 34506388224.

The previous prime is 37831416979. The next prime is 37831417031. The reversal of 37831417009 is 90071413873.

The square root of 37831417009 is 194503.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 184552225 + 37646864784 = 13585^2 + 194028^2 .

It is not a de Polignac number, because 37831417009 - 2¹⁹ = 37830892721 is a prime.

It is a super-2 number, since 2×37831417009² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37831417079) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 107170977 + ... + 107171329.

Almost surely, 2^37831417009 is an apocalyptic number.

37831417009 is the 194503-rd square number.

37831417009 is the 97252-nd centered octagonal number.

It is an amenable number.

37831417009 is a deficient number, since it is larger than the sum of its proper divisors (3637679504).

37831417009 is an frugal number, since it uses more digits than its factorization.

37831417009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 37831417009 in words is "thirty-seven billion, eight hundred thirty-one million, four hundred seventeen thousand, nine".