4012431901 has 2 divisors, whose sum is σ = 4012431902. Its totient is φ = 4012431900.

The previous prime is 4012431889. The next prime is 4012432001. The reversal of 4012431901 is 1091342104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2020952025 + 1991479876 = 44955^2 + 44626^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012431901 - 2⁹ = 4012431389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012411901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006215950 + 2006215951.

It is an arithmetic number, because the mean of its divisors is an integer number (2006215951).

Almost surely, 2^4012431901 is an apocalyptic number.

It is an amenable number.

4012431901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012431901 is an equidigital number, since it uses as much as digits as its factorization.

4012431901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4012431901 is about 63343.7597636894. The cubic root of 4012431901 is about 1589.0438855736.

The spelling of 4012431901 in words is "four billion, twelve million, four hundred thirty-one thousand, nine hundred one".