3955541957 has 2 divisors, whose sum is σ = 3955541958. Its totient is φ = 3955541956.

The previous prime is 3955541939. The next prime is 3955541981. The reversal of 3955541957 is 7591455593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3069824836 + 885717121 = 55406^2 + 29761^2 .

It is a cyclic number.

It is not a de Polignac number, because 3955541957 - 2¹⁴ = 3955525573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3955541899 and 3955541908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3955541927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977770978 + 1977770979.

It is an arithmetic number, because the mean of its divisors is an integer number (1977770979).

Almost surely, 2^3955541957 is an apocalyptic number.

It is an amenable number.

3955541957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955541957 is an equidigital number, since it uses as much as digits as its factorization.

3955541957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4252500, while the sum is 53.

The square root of 3955541957 is about 62893.0994386507. The cubic root of 3955541957 is about 1581.4980660313.

The spelling of 3955541957 in words is "three billion, nine hundred fifty-five million, five hundred forty-one thousand, nine hundred fifty-seven".