40919699 has 2 divisors, whose sum is σ = 40919700. Its totient is φ = 40919698.

The previous prime is 40919687. The next prime is 40919707. The reversal of 40919699 is 99691904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40919699 - 2¹² = 40915603 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40919999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20459849 + 20459850.

It is an arithmetic number, because the mean of its divisors is an integer number (20459850).

Almost surely, 2^40919699 is an apocalyptic number.

40919699 is a deficient number, since it is larger than the sum of its proper divisors (1).

40919699 is an equidigital number, since it uses as much as digits as its factorization.

40919699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 40919699 is about 6396.8507095289. The cubic root of 40919699 is about 344.5964587849.

The spelling of 40919699 in words is "forty million, nine hundred nineteen thousand, six hundred ninety-nine".