3945932413 has 2 divisors, whose sum is σ = 3945932414. Its totient is φ = 3945932412.

The previous prime is 3945932401. The next prime is 3945932461. The reversal of 3945932413 is 3142395493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2491806724 + 1454125689 = 49918^2 + 38133^2 .

It is a cyclic number.

It is not a de Polignac number, because 3945932413 - 2¹³ = 3945924221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3945932413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3945932113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972966206 + 1972966207.

It is an arithmetic number, because the mean of its divisors is an integer number (1972966207).

Almost surely, 2^3945932413 is an apocalyptic number.

It is an amenable number.

3945932413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945932413 is an equidigital number, since it uses as much as digits as its factorization.

3945932413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 43.

The square root of 3945932413 is about 62816.6571300957. The cubic root of 3945932413 is about 1580.2163370119.

The spelling of 3945932413 in words is "three billion, nine hundred forty-five million, nine hundred thirty-two thousand, four hundred thirteen".