40969651 has 2 divisors, whose sum is σ = 40969652. Its totient is φ = 40969650.

The previous prime is 40969639. The next prime is 40969657. The reversal of 40969651 is 15696904.

40969651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40969651 - 2⁹ = 40969139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40969657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20484825 + 20484826.

It is an arithmetic number, because the mean of its divisors is an integer number (20484826).

Almost surely, 2^40969651 is an apocalyptic number.

40969651 is a deficient number, since it is larger than the sum of its proper divisors (1).

40969651 is an equidigital number, since it uses as much as digits as its factorization.

40969651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 40969651 is about 6400.7539399668. The cubic root of 40969651 is about 344.7366217806.

The spelling of 40969651 in words is "forty million, nine hundred sixty-nine thousand, six hundred fifty-one".