40331234399969 has 2 divisors, whose sum is σ = 40331234399970. Its totient is φ = 40331234399968.

The previous prime is 40331234399933. The next prime is 40331234399971. The reversal of 40331234399969 is 96999343213304.

40331234399969 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 can be written as a sum of positive squares in only one way, i.e., 36901008144400 + 3430226255569 = 6074620^2 + 1852087^2 .

It is a cyclic number.

It is not a de Polignac number, because 40331234399969 - 2⁸ = 40331234399713 is a prime.

It is a super-2 number, since 2×40331234399969² (a number of 28 digits) contains 22 as substring.

Together with 40331234399971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40331234399999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165617199984 + 20165617199985.

It is an arithmetic number, because the mean of its divisors is an integer number (20165617199985).

Almost surely, 2^{40331234399969} is an apocalyptic number.

It is an amenable number.

40331234399969 is a deficient number, since it is larger than the sum of its proper divisors (1).

40331234399969 is an equidigital number, since it uses as much as digits as its factorization.

40331234399969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102036672, while the sum is 65.

The spelling of 40331234399969 in words is "forty trillion, three hundred thirty-one billion, two hundred thirty-four million, three hundred ninety-nine thousand, nine hundred sixty-nine".