74521080324469 has 2 divisors, whose sum is σ = 74521080324470. Its totient is φ = 74521080324468.

The previous prime is 74521080324451. The next prime is 74521080324521. The reversal of 74521080324469 is 96442308012547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70393559867569 + 4127520456900 = 8390087^2 + 2031630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74521080324469 is a prime.

It is a super-2 number, since 2×74521080324469² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74521080325469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37260540162234 + 37260540162235.

It is an arithmetic number, because the mean of its divisors is an integer number (37260540162235).

It is a 1-persistent number, because it is pandigital, but 2⋅74521080324469 = 149042160648938 is not.

Almost surely, 2^{74521080324469} is an apocalyptic number.

It is an amenable number.

74521080324469 is a deficient number, since it is larger than the sum of its proper divisors (1).

74521080324469 is an equidigital number, since it uses as much as digits as its factorization.

74521080324469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 74521080324469 in words is "seventy-four trillion, five hundred twenty-one billion, eighty million, three hundred twenty-four thousand, four hundred sixty-nine".