4012299391 has 2 divisors, whose sum is σ = 4012299392. Its totient is φ = 4012299390.

The previous prime is 4012299329. The next prime is 4012299397. The reversal of 4012299391 is 1939922104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4012299391 - 2⁹ = 4012298879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012299397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006149695 + 2006149696.

It is an arithmetic number, because the mean of its divisors is an integer number (2006149696).

Almost surely, 2^4012299391 is an apocalyptic number.

4012299391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012299391 is an equidigital number, since it uses as much as digits as its factorization.

4012299391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 4012299391 is about 63342.7137956687. The cubic root of 4012299391 is about 1589.0263927306.

The spelling of 4012299391 in words is "four billion, twelve million, two hundred ninety-nine thousand, three hundred ninety-one".