3959950637 has 2 divisors, whose sum is σ = 3959950638. Its totient is φ = 3959950636.

The previous prime is 3959950583. The next prime is 3959950681. The reversal of 3959950637 is 7360599593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3037552996 + 922397641 = 55114^2 + 30371^2 .

It is a cyclic number.

It is not a de Polignac number, because 3959950637 - 2²⁶ = 3892841773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3959950697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1979975318 + 1979975319.

It is an arithmetic number, because the mean of its divisors is an integer number (1979975319).

Almost surely, 2^3959950637 is an apocalyptic number.

It is an amenable number.

3959950637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3959950637 is an equidigital number, since it uses as much as digits as its factorization.

3959950637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6889050, while the sum is 56.

The square root of 3959950637 is about 62928.1386742052. The cubic root of 3959950637 is about 1582.0854048605.

The spelling of 3959950637 in words is "three billion, nine hundred fifty-nine million, nine hundred fifty thousand, six hundred thirty-seven".