3952243693 has 2 divisors, whose sum is σ = 3952243694. Its totient is φ = 3952243692.

The previous prime is 3952243681. The next prime is 3952243703. The reversal of 3952243693 is 3963422593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2196047044 + 1756196649 = 46862^2 + 41907^2 .

It is a cyclic number.

It is not a de Polignac number, because 3952243693 - 2¹³ = 3952235501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3952243193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976121846 + 1976121847.

It is an arithmetic number, because the mean of its divisors is an integer number (1976121847).

Almost surely, 2^3952243693 is an apocalyptic number.

It is an amenable number.

3952243693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3952243693 is an equidigital number, since it uses as much as digits as its factorization.

3952243693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 46.

The square root of 3952243693 is about 62866.8727789127. The cubic root of 3952243693 is about 1581.0583750290.

The spelling of 3952243693 in words is "three billion, nine hundred fifty-two million, two hundred forty-three thousand, six hundred ninety-three".