3952159997 has 4 divisors (see below), whose sum is σ = 3991290396. Its totient is φ = 3913029600.

The previous prime is 3952159973. The next prime is 3952160029. The reversal of 3952159997 is 7999512593.

3952159997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1656408601 + 2295751396 = 40699^2 + 47914^2 .

It is a cyclic number.

It is not a de Polignac number, because 3952159997 - 2⁸ = 3952159741 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 (3952159957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19565048 + ... + 19565249.

It is an arithmetic number, because the mean of its divisors is an integer number (997822599).

Almost surely, 2^3952159997 is an apocalyptic number.

It is an amenable number.

3952159997 is a deficient number, since it is larger than the sum of its proper divisors (39130399).

3952159997 is a wasteful number, since it uses less digits than its factorization.

3952159997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39130398.

The product of its digits is 6889050, while the sum is 59.

The square root of 3952159997 is about 62866.2071147926. The cubic root of 3952159997 is about 1581.0472143477.

The spelling of 3952159997 in words is "three billion, nine hundred fifty-two million, one hundred fifty-nine thousand, nine hundred ninety-seven".