3974401427 has 2 divisors, whose sum is σ = 3974401428. Its totient is φ = 3974401426.

The previous prime is 3974401421. The next prime is 3974401489. The reversal of 3974401427 is 7241044793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3974401427 - 2⁴ = 3974401411 is a prime.

It is not a weakly prime, because it can be changed into another prime (3974401421) 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, 1987200713 + 1987200714.

It is an arithmetic number, because the mean of its divisors is an integer number (1987200714).

Almost surely, 2^3974401427 is an apocalyptic number.

3974401427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974401427 is an equidigital number, since it uses as much as digits as its factorization.

3974401427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 3974401427 is about 63042.8538932051. The cubic root of 3974401427 is about 1584.0075357332.

The spelling of 3974401427 in words is "three billion, nine hundred seventy-four million, four hundred one thousand, four hundred twenty-seven".