4051405961 has 2 divisors, whose sum is σ = 4051405962. Its totient is φ = 4051405960.

The previous prime is 4051405927. The next prime is 4051405979. The reversal of 4051405961 is 1695041504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3916381561 + 135024400 = 62581^2 + 11620^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051405961 - 2¹⁰ = 4051404937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4051405661) 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, 2025702980 + 2025702981.

It is an arithmetic number, because the mean of its divisors is an integer number (2025702981).

Almost surely, 2^4051405961 is an apocalyptic number.

It is an amenable number.

4051405961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051405961 is an equidigital number, since it uses as much as digits as its factorization.

4051405961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 4051405961 is about 63650.6556211325. The cubic root of 4051405961 is about 1594.1722838542.

The spelling of 4051405961 in words is "four billion, fifty-one million, four hundred five thousand, nine hundred sixty-one".