3961736125 has 16 divisors (see below), whose sum is σ = 4954906944. Its totient is φ = 3162555600.

The previous prime is 3961736123. The next prime is 3961736137. The reversal of 3961736125 is 5216371693.

It is not a de Polignac number, because 3961736125 - 2¹ = 3961736123 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 (3961736123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24442 + ... + 92308.

It is an arithmetic number, because the mean of its divisors is an integer number (309681684).

Almost surely, 2^3961736125 is an apocalyptic number.

It is an amenable number.

3961736125 is a deficient number, since it is larger than the sum of its proper divisors (993170819).

3961736125 is an equidigital number, since it uses as much as digits as its factorization.

3961736125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68349 (or 68339 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 3961736125 is about 62942.3237972670. The cubic root of 3961736125 is about 1582.3231494114.

The spelling of 3961736125 in words is "three billion, nine hundred sixty-one million, seven hundred thirty-six thousand, one hundred twenty-five".