3933620038881 has 24 divisors (see below), whose sum is σ = 6119591499840. Its totient is φ = 2420441212896.

The previous prime is 3933620038877. The next prime is 3933620038919. The reversal of 3933620038881 is 1888300263393.

3933620038881 is a `hidden beast` number, since 3 + 9 + 3 + 3 + 620 + 0 + 3 + 8 + 8 + 8 + 1 = 666.

It is not a de Polignac number, because 3933620038881 - 2² = 3933620038877 is a prime.

It is a super-2 number, since 2×3933620038881² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3933620038781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 572541 + ... + 2862698.

It is an arithmetic number, because the mean of its divisors is an integer number (254982979160).

Almost surely, 2^{3933620038881} is an apocalyptic number.

It is an amenable number.

3933620038881 is a deficient number, since it is larger than the sum of its proper divisors (2185971460959).

3933620038881 is a wasteful number, since it uses less digits than its factorization.

3933620038881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445045 (or 3445042 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 3933620038881 in words is "three trillion, nine hundred thirty-three billion, six hundred twenty million, thirty-eight thousand, eight hundred eighty-one".