40423247003569 has 2 divisors, whose sum is σ = 40423247003570. Its totient is φ = 40423247003568.

The previous prime is 40423247003509. The next prime is 40423247003641. The reversal of 40423247003569 is 96530074232404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23664965562225 + 16758281441344 = 4864665^2 + 4093688^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423247003569 - 2³⁹ = 39873491189681 is a prime.

It is a super-2 number, since 2×40423247003569² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40423247003509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211623501784 + 20211623501785.

It is an arithmetic number, because the mean of its divisors is an integer number (20211623501785).

Almost surely, 2^{40423247003569} is an apocalyptic number.

It is an amenable number.

40423247003569 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423247003569 is an equidigital number, since it uses as much as digits as its factorization.

40423247003569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 40423247003569 in words is "forty trillion, four hundred twenty-three billion, two hundred forty-seven million, three thousand, five hundred sixty-nine".