40718067469 has 2 divisors, whose sum is σ = 40718067470. Its totient is φ = 40718067468.

The previous prime is 40718067413. The next prime is 40718067473. The reversal of 40718067469 is 96476081704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34535390569 + 6182676900 = 185837^2 + 78630^2 .

It is a cyclic number.

It is not a de Polignac number, because 40718067469 - 2⁹ = 40718066957 is a prime.

It is a super-2 number, since 2×40718067469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40718064469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20359033734 + 20359033735.

It is an arithmetic number, because the mean of its divisors is an integer number (20359033735).

Almost surely, 2^40718067469 is an apocalyptic number.

It is an amenable number.

40718067469 is a deficient number, since it is larger than the sum of its proper divisors (1).

40718067469 is an equidigital number, since it uses as much as digits as its factorization.

40718067469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 40718067469 in words is "forty billion, seven hundred eighteen million, sixty-seven thousand, four hundred sixty-nine".