3948391303 has 2 divisors, whose sum is σ = 3948391304. Its totient is φ = 3948391302.

The previous prime is 3948391243. The next prime is 3948391319. The reversal of 3948391303 is 3031938493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3948391303 - 2⁹ = 3948390791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3948391303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3948991303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974195651 + 1974195652.

It is an arithmetic number, because the mean of its divisors is an integer number (1974195652).

Almost surely, 2^3948391303 is an apocalyptic number.

3948391303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948391303 is an equidigital number, since it uses as much as digits as its factorization.

3948391303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 3948391303 is about 62836.2260403981. The cubic root of 3948391303 is about 1580.5445037524.

The spelling of 3948391303 in words is "three billion, nine hundred forty-eight million, three hundred ninety-one thousand, three hundred three".