38521001630 has 16 divisors (see below), whose sum is σ = 70474489344. Its totient is φ = 15155803680.

The previous prime is 38521001609. The next prime is 38521001633. The reversal of 38521001630 is 3610012583.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38521001593 and 38521001602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38521001633) 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 7 ways as a sum of consecutive naturals, for example, 31573982 + ... + 31575201.

It is an arithmetic number, because the mean of its divisors is an integer number (4404655584).

Almost surely, 2^38521001630 is an apocalyptic number.

38521001630 is a deficient number, since it is larger than the sum of its proper divisors (31953487714).

38521001630 is a wasteful number, since it uses less digits than its factorization.

38521001630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63149251.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 38521001630 in words is "thirty-eight billion, five hundred twenty-one million, one thousand, six hundred thirty".