3963750619816 has 32 divisors (see below), whose sum is σ = 8031043749960. Its totient is φ = 1823179583232.

The previous prime is 3963750619799. The next prime is 3963750619817. The reversal of 3963750619816 is 6189160573693.

It can be written as a sum of positive squares in 4 ways, for example, as 3962671497316 + 1079122500 = 1990646^2 + 32850^2 .

It is a super-2 number, since 2×3963750619816² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3963750619817) 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, 65008755 + ... + 65069698.

Almost surely, 2^{3963750619816} is an apocalyptic number.

It is an amenable number.

3963750619816 is an abundant number, since it is smaller than the sum of its proper divisors (4067293130144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3963750619816 is a wasteful number, since it uses less digits than its factorization.

3963750619816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130078765 (or 130078761 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 3963750619816 in words is "three trillion, nine hundred sixty-three billion, seven hundred fifty million, six hundred nineteen thousand, eight hundred sixteen".