37830206645 has 16 divisors (see below), whose sum is σ = 56597920128. Its totient is φ = 23582466240.

The previous prime is 37830206627. The next prime is 37830206653. The reversal of 37830206645 is 54660203873.

It is not a de Polignac number, because 37830206645 - 2¹² = 37830202549 is a prime.

It is a super-6 number, since 6×37830206645⁶ (a number of 65 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37830206596 and 37830206605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49129754 + ... + 49130523.

It is an arithmetic number, because the mean of its divisors is an integer number (3537370008).

Almost surely, 2^37830206645 is an apocalyptic number.

37830206645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

37830206645 is a deficient number, since it is larger than the sum of its proper divisors (18767713483).

37830206645 is a wasteful number, since it uses less digits than its factorization.

37830206645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98260300.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 37830206645 in words is "thirty-seven billion, eight hundred thirty million, two hundred six thousand, six hundred forty-five".