3942851401 has 2 divisors, whose sum is σ = 3942851402. Its totient is φ = 3942851400.

The previous prime is 3942851359. The next prime is 3942851459. The reversal of 3942851401 is 1041582493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3352410000 + 590441401 = 57900^2 + 24299^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942851401 - 2⁷ = 3942851273 is a prime.

It is not a weakly prime, because it can be changed into another prime (3942851501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971425700 + 1971425701.

It is an arithmetic number, because the mean of its divisors is an integer number (1971425701).

Almost surely, 2^3942851401 is an apocalyptic number.

It is an amenable number.

3942851401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942851401 is an equidigital number, since it uses as much as digits as its factorization.

3942851401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3942851401 is about 62792.1284955368. The cubic root of 3942851401 is about 1579.8049485491.

The spelling of 3942851401 in words is "three billion, nine hundred forty-two million, eight hundred fifty-one thousand, four hundred one".