38684620658311 has 8 divisors (see below), whose sum is σ = 39540444159600. Its totient is φ = 37833461045952.

The previous prime is 38684620658303. The next prime is 38684620658393. The reversal of 38684620658311 is 11385602648683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38684620658311 - 2³ = 38684620658303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38684620658311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38684620658911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165955461 + ... + 1165988638.

It is an arithmetic number, because the mean of its divisors is an integer number (4942555519950).

Almost surely, 2^{38684620658311} is an apocalyptic number.

38684620658311 is a deficient number, since it is larger than the sum of its proper divisors (855823501289).

38684620658311 is a wasteful number, since it uses less digits than its factorization.

38684620658311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331944465.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 38684620658311 in words is "thirty-eight trillion, six hundred eighty-four billion, six hundred twenty million, six hundred fifty-eight thousand, three hundred eleven".