3688551838390 has 32 divisors (see below), whose sum is σ = 6648003494496. Its totient is φ = 1473508270080.

The previous prime is 3688551838369. The next prime is 3688551838397. The reversal of 3688551838390 is 938381558863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688551838397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33688374 + ... + 33797686.

It is an arithmetic number, because the mean of its divisors is an integer number (207750109203).

Almost surely, 2^{3688551838390} is an apocalyptic number.

3688551838390 is a deficient number, since it is larger than the sum of its proper divisors (2959451656106).

3688551838390 is a wasteful number, since it uses less digits than its factorization.

3688551838390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113664.

The product of its (nonzero) digits is 149299200, while the sum is 67.

The spelling of 3688551838390 in words is "three trillion, six hundred eighty-eight billion, five hundred fifty-one million, eight hundred thirty-eight thousand, three hundred ninety".