3961663702 has 24 divisors (see below), whose sum is σ = 6096520080. Its totient is φ = 1930758480.

The previous prime is 3961663691. The next prime is 3961663709. The reversal of 3961663702 is 2073661693.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961663709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2621127 + ... + 2622637.

It is an arithmetic number, because the mean of its divisors is an integer number (254021670).

Almost surely, 2^3961663702 is an apocalyptic number.

3961663702 is a deficient number, since it is larger than the sum of its proper divisors (2134856378).

3961663702 is a wasteful number, since it uses less digits than its factorization.

3961663702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 3961663702 is about 62941.7484822276. The cubic root of 3961663702 is about 1582.3135074023.

The spelling of 3961663702 in words is "three billion, nine hundred sixty-one million, six hundred sixty-three thousand, seven hundred two".