39993930368133 has 32 divisors (see below), whose sum is σ = 63045148815360. Its totient is φ = 22065431424960.

The previous prime is 39993930368131. The next prime is 39993930368261. The reversal of 39993930368133 is 33186303939993.

It is not a de Polignac number, because 39993930368133 - 2¹ = 39993930368131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39993930368131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105696148 + ... + 106073858.

It is an arithmetic number, because the mean of its divisors is an integer number (1970160900480).

Almost surely, 2^{39993930368133} is an apocalyptic number.

39993930368133 is the 3651207-th octagonal number.

It is an amenable number.

39993930368133 is a deficient number, since it is larger than the sum of its proper divisors (23051218447227).

39993930368133 is a wasteful number, since it uses less digits than its factorization.

39993930368133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551617.

The product of its (nonzero) digits is 229582512, while the sum is 69.

The spelling of 39993930368133 in words is "thirty-nine trillion, nine hundred ninety-three billion, nine hundred thirty million, three hundred sixty-eight thousand, one hundred thirty-three".