38550557349 has 6 divisors (see below), whose sum is σ = 55684138406. Its totient is φ = 25700371560.

The previous prime is 38550557341. The next prime is 38550557359. The reversal of 38550557349 is 94375505583.

38550557349 is a `hidden beast` number, since 3 + 8 + 5 + 50 + 557 + 34 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29890952100 + 8659605249 = 172890^2 + 93057^2 .

It is not a de Polignac number, because 38550557349 - 2³ = 38550557341 is a prime.

It is a super-2 number, since 2×38550557349² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38550557295 and 38550557304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38550557341) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2141697622 + ... + 2141697639.

Almost surely, 2^38550557349 is an apocalyptic number.

It is an amenable number.

38550557349 is a deficient number, since it is larger than the sum of its proper divisors (17133581057).

38550557349 is a wasteful number, since it uses less digits than its factorization.

38550557349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283395267 (or 4283395264 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 38550557349 in words is "thirty-eight billion, five hundred fifty million, five hundred fifty-seven thousand, three hundred forty-nine".