74365841551 has 2 divisors, whose sum is σ = 74365841552. Its totient is φ = 74365841550.

The previous prime is 74365841531. The next prime is 74365841581. The reversal of 74365841551 is 15514856347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74365841551 - 2¹³ = 74365833359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74365841495 and 74365841504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74365841531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37182920775 + 37182920776.

It is an arithmetic number, because the mean of its divisors is an integer number (37182920776).

Almost surely, 2^74365841551 is an apocalyptic number.

74365841551 is a deficient number, since it is larger than the sum of its proper divisors (1).

74365841551 is an equidigital number, since it uses as much as digits as its factorization.

74365841551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016000, while the sum is 49.

The spelling of 74365841551 in words is "seventy-four billion, three hundred sixty-five million, eight hundred forty-one thousand, five hundred fifty-one".