3949116953 has 2 divisors, whose sum is σ = 3949116954. Its totient is φ = 3949116952.

The previous prime is 3949116929. The next prime is 3949116971. The reversal of 3949116953 is 3596119493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3388753369 + 560363584 = 58213^2 + 23672^2 .

It is a cyclic number.

It is not a de Polignac number, because 3949116953 - 2⁶ = 3949116889 is a prime.

It is not a weakly prime, because it can be changed into another prime (3949116053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974558476 + 1974558477.

It is an arithmetic number, because the mean of its divisors is an integer number (1974558477).

Almost surely, 2^3949116953 is an apocalyptic number.

It is an amenable number.

3949116953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3949116953 is an equidigital number, since it uses as much as digits as its factorization.

3949116953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 50.

The square root of 3949116953 is about 62841.9999124789. Note that the first 4 decimals coincide. The cubic root of 3949116953 is about 1580.6413239320.

The spelling of 3949116953 in words is "three billion, nine hundred forty-nine million, one hundred sixteen thousand, nine hundred fifty-three".