3961394707 has 2 divisors, whose sum is σ = 3961394708. Its totient is φ = 3961394706.

The previous prime is 3961394687. The next prime is 3961394711. The reversal of 3961394707 is 7074931693.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3961394707 - 2²⁷ = 3827176979 is a prime.

It is not a weakly prime, because it can be changed into another prime (3961394807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980697353 + 1980697354.

It is an arithmetic number, because the mean of its divisors is an integer number (1980697354).

Almost surely, 2^3961394707 is an apocalyptic number.

3961394707 is a deficient number, since it is larger than the sum of its proper divisors (1).

3961394707 is an equidigital number, since it uses as much as digits as its factorization.

3961394707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 3961394707 is about 62939.6115892051. The cubic root of 3961394707 is about 1582.2776938243.

The spelling of 3961394707 in words is "three billion, nine hundred sixty-one million, three hundred ninety-four thousand, seven hundred seven".