74401689559 has 2 divisors, whose sum is σ = 74401689560. Its totient is φ = 74401689558.

The previous prime is 74401689553. The next prime is 74401689613. The reversal of 74401689559 is 95598610447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74401689559 - 2¹¹ = 74401687511 is a prime.

It is a super-2 number, since 2×74401689559² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74401689553) 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, 37200844779 + 37200844780.

It is an arithmetic number, because the mean of its divisors is an integer number (37200844780).

Almost surely, 2^74401689559 is an apocalyptic number.

74401689559 is a deficient number, since it is larger than the sum of its proper divisors (1).

74401689559 is an equidigital number, since it uses as much as digits as its factorization.

74401689559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 74401689559 in words is "seventy-four billion, four hundred one million, six hundred eighty-nine thousand, five hundred fifty-nine".