4003427401 has 2 divisors, whose sum is σ = 4003427402. Its totient is φ = 4003427400.

The previous prime is 4003427369. The next prime is 4003427431. The reversal of 4003427401 is 1047243004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3669451776 + 333975625 = 60576^2 + 18275^2 .

It is a cyclic number.

It is not a de Polignac number, because 4003427401 - 2⁵ = 4003427369 is a prime.

It is a super-2 number, since 2×4003427401² = 32054861910155229602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4003427431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001713700 + 2001713701.

It is an arithmetic number, because the mean of its divisors is an integer number (2001713701).

Almost surely, 2^4003427401 is an apocalyptic number.

It is an amenable number.

4003427401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4003427401 is an equidigital number, since it uses as much as digits as its factorization.

4003427401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4003427401 is about 63272.6433855896. The cubic root of 4003427401 is about 1587.8543108639.

The spelling of 4003427401 in words is "four billion, three million, four hundred twenty-seven thousand, four hundred one".