38280608690 has 8 divisors (see below), whose sum is σ = 68905095660. Its totient is φ = 15312243472.

The previous prime is 38280608689. The next prime is 38280608719. The reversal of 38280608690 is 9680608283.

It can be written as a sum of positive squares in 2 ways, for example, as 38259751201 + 20857489 = 195601^2 + 4567^2 .

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

It is a super-2 number, since 2×38280608690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914030425 + ... + 1914030444.

Almost surely, 2^38280608690 is an apocalyptic number.

38280608690 is a deficient number, since it is larger than the sum of its proper divisors (30624486970).

38280608690 is a wasteful number, since it uses less digits than its factorization.

38280608690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828060876.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 38280608690 in words is "thirty-eight billion, two hundred eighty million, six hundred eight thousand, six hundred ninety".