4391961071 has 2 divisors, whose sum is σ = 4391961072. Its totient is φ = 4391961070.

The previous prime is 4391961037. The next prime is 4391961083. The reversal of 4391961071 is 1701691934.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4391961071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4391981071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195980535 + 2195980536.

It is an arithmetic number, because the mean of its divisors is an integer number (2195980536).

Almost surely, 2^4391961071 is an apocalyptic number.

4391961071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4391961071 is an equidigital number, since it uses as much as digits as its factorization.

4391961071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 4391961071 is about 66271.8723969679. The cubic root of 4391961071 is about 1637.6439835012.

The spelling of 4391961071 in words is "four billion, three hundred ninety-one million, nine hundred sixty-one thousand, seventy-one".