401111699 has 2 divisors, whose sum is σ = 401111700. Its totient is φ = 401111698.

The previous prime is 401111681. The next prime is 401111761. The reversal of 401111699 is 996111104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401111699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401111609) 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, 200555849 + 200555850.

It is an arithmetic number, because the mean of its divisors is an integer number (200555850).

Almost surely, 2^401111699 is an apocalyptic number.

401111699 is a deficient number, since it is larger than the sum of its proper divisors (1).

401111699 is an equidigital number, since it uses as much as digits as its factorization.

401111699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 401111699 is about 20027.7731912462. The cubic root of 401111699 is about 737.4882573635.

The spelling of 401111699 in words is "four hundred one million, one hundred eleven thousand, six hundred ninety-nine".