3955317353999 has 32 divisors (see below), whose sum is σ = 4479525120000. Its totient is φ = 3460692003840.

The previous prime is 3955317353989. The next prime is 3955317354031. The reversal of 3955317353999 is 9993537135593.

It is not a de Polignac number, because 3955317353999 - 2⁴⁰ = 2855805726223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955317353909) 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, 78893462 + ... + 78943580.

It is an arithmetic number, because the mean of its divisors is an integer number (139985160000).

Almost surely, 2^{3955317353999} is an apocalyptic number.

3955317353999 is a deficient number, since it is larger than the sum of its proper divisors (524207766001).

3955317353999 is a wasteful number, since it uses less digits than its factorization.

3955317353999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52263.

The product of its digits is 465010875, while the sum is 71.

The spelling of 3955317353999 in words is "three trillion, nine hundred fifty-five billion, three hundred seventeen million, three hundred fifty-three thousand, nine hundred ninety-nine".