40689453685351 has 2 divisors, whose sum is σ = 40689453685352. Its totient is φ = 40689453685350.

The previous prime is 40689453685313. The next prime is 40689453685417. The reversal of 40689453685351 is 15358635498604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40689453685351 - 2¹¹ = 40689453683303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40689453695351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20344726842675 + 20344726842676.

It is an arithmetic number, because the mean of its divisors is an integer number (20344726842676).

Almost surely, 2^{40689453685351} is an apocalyptic number.

40689453685351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40689453685351 is an equidigital number, since it uses as much as digits as its factorization.

40689453685351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248000, while the sum is 67.

The spelling of 40689453685351 in words is "forty trillion, six hundred eighty-nine billion, four hundred fifty-three million, six hundred eighty-five thousand, three hundred fifty-one".