3948991303 has 2 divisors, whose sum is σ = 3948991304. Its totient is φ = 3948991302.

The previous prime is 3948991297. The next prime is 3948991309. The reversal of 3948991303 is 3031998493.

It is a balanced prime because it is at equal distance from previous prime (3948991297) and next prime (3948991309).

It is a cyclic number.

It is not a de Polignac number, because 3948991303 - 2⁹ = 3948990791 is a prime.

It is a super-2 number, since 2×3948991303² = 31189064622339275618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3948991309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974495651 + 1974495652.

It is an arithmetic number, because the mean of its divisors is an integer number (1974495652).

Almost surely, 2^3948991303 is an apocalyptic number.

3948991303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948991303 is an equidigital number, since it uses as much as digits as its factorization.

3948991303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 3948991303 is about 62841.0001750450. Note that the first 3 decimals coincide. The cubic root of 3948991303 is about 1580.6245598730.

The spelling of 3948991303 in words is "three billion, nine hundred forty-eight million, nine hundred ninety-one thousand, three hundred three".