37387984349 has 8 divisors (see below), whose sum is σ = 39636225720. Its totient is φ = 35145181696.

The previous prime is 37387984343. The next prime is 37387984357. The reversal of 37387984349 is 94348978373.

It can be written as a sum of positive squares in 4 ways, for example, as 8084707225 + 29303277124 = 89915^2 + 171182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37387984349 is a prime.

It is a super-2 number, since 2×37387984349² (a number of 22 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 (37387984343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345514 + ... + 1373019.

It is an arithmetic number, because the mean of its divisors is an integer number (4954528215).

Almost surely, 2^37387984349 is an apocalyptic number.

It is an amenable number.

37387984349 is a deficient number, since it is larger than the sum of its proper divisors (2248241371).

37387984349 is a wasteful number, since it uses less digits than its factorization.

37387984349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719359.

The product of its digits is 109734912, while the sum is 65.

The spelling of 37387984349 in words is "thirty-seven billion, three hundred eighty-seven million, nine hundred eighty-four thousand, three hundred forty-nine".