3913565041 has 2 divisors, whose sum is σ = 3913565042. Its totient is φ = 3913565040.

The previous prime is 3913565039. The next prime is 3913565057. The reversal of 3913565041 is 1405653193.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3911251600 + 2313441 = 62540^2 + 1521^2 .

It is a cyclic number.

It is not a de Polignac number, because 3913565041 - 2¹ = 3913565039 is a prime.

Together with 3913565039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3913565741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956782520 + 1956782521.

It is an arithmetic number, because the mean of its divisors is an integer number (1956782521).

Almost surely, 2^3913565041 is an apocalyptic number.

It is an amenable number.

3913565041 is a deficient number, since it is larger than the sum of its proper divisors (1).

3913565041 is an equidigital number, since it uses as much as digits as its factorization.

3913565041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 3913565041 is about 62558.4929565922. The cubic root of 3913565041 is about 1575.8837792591.

The spelling of 3913565041 in words is "three billion, nine hundred thirteen million, five hundred sixty-five thousand, forty-one".