74505541769 has 2 divisors, whose sum is σ = 74505541770. Its totient is φ = 74505541768.

The previous prime is 74505541723. The next prime is 74505541813. The reversal of 74505541769 is 96714550547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40406226169 + 34099315600 = 201013^2 + 184660^2 .

It is an emirp because it is prime and its reverse (96714550547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74505541769 - 2¹⁶ = 74505476233 is a prime.

It is a super-2 number, since 2×74505541769² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74505541769.

It is not a weakly prime, because it can be changed into another prime (74505531769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252770884 + 37252770885.

It is an arithmetic number, because the mean of its divisors is an integer number (37252770885).

Almost surely, 2^74505541769 is an apocalyptic number.

It is an amenable number.

74505541769 is a deficient number, since it is larger than the sum of its proper divisors (1).

74505541769 is an equidigital number, since it uses as much as digits as its factorization.

74505541769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 74505541769 in words is "seventy-four billion, five hundred five million, five hundred forty-one thousand, seven hundred sixty-nine".