10419991 has 2 divisors, whose sum is σ = 10419992. Its totient is φ = 10419990.

The previous prime is 10419979. The next prime is 10420001. The reversal of 10419991 is 19991401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10419991 - 2¹³ = 10411799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10419901) 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, 5209995 + 5209996.

It is an arithmetic number, because the mean of its divisors is an integer number (5209996).

Almost surely, 2^10419991 is an apocalyptic number.

10419991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10419991 is an equidigital number, since it uses as much as digits as its factorization.

10419991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 10419991 is about 3228.0010842625. The cubic root of 10419991 is about 218.4183462943.

The spelling of 10419991 in words is "ten million, four hundred nineteen thousand, nine hundred ninety-one".