37984840609 has 9 divisors (see below), whose sum is σ = 39255928401. Its totient is φ = 36753676260.

The previous prime is 37984840589. The next prime is 37984840633. The reversal of 37984840609 is 90604848973.

The square root of 37984840609 is 194897.

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

It is not a de Polignac number, because 37984840609 - 2¹⁷ = 37984709537 is a prime.

It is a super-2 number, since 2×37984840609² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37984840709) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6038664 + ... + 6044950.

Almost surely, 2^37984840609 is an apocalyptic number.

37984840609 is the 194897-th square number.

37984840609 is the 97449-th centered octagonal number.

It is an amenable number.

37984840609 is a deficient number, since it is larger than the sum of its proper divisors (1271087792).

37984840609 is an frugal number, since it uses more digits than its factorization.

37984840609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636 (or 6318 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 37984840609 in words is "thirty-seven billion, nine hundred eighty-four million, eight hundred forty thousand, six hundred nine".