3963810228623 has 32 divisors (see below), whose sum is σ = 4662618240000. Its totient is φ = 3298543928064.

The previous prime is 3963810228617. The next prime is 3963810228641. The reversal of 3963810228623 is 3268220183693.

It is a Cunningham number, because it is equal to 1990932²-1.

It is a de Polignac number, because none of the positive numbers 2^k-3963810228623 is a prime.

It is a super-3 number, since 3×3963810228623³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963810228643) 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, 515647286 + ... + 515654972.

It is an arithmetic number, because the mean of its divisors is an integer number (145706820000).

Almost surely, 2^{3963810228623} is an apocalyptic number.

3963810228623 is a deficient number, since it is larger than the sum of its proper divisors (698808011377).

3963810228623 is a wasteful number, since it uses less digits than its factorization.

3963810228623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11799.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 3963810228623 in words is "three trillion, nine hundred sixty-three billion, eight hundred ten million, two hundred twenty-eight thousand, six hundred twenty-three".