75451718479 has 2 divisors, whose sum is σ = 75451718480. Its totient is φ = 75451718478.

The previous prime is 75451718453. The next prime is 75451718491. The reversal of 75451718479 is 97481715457.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75451718479 - 2⁷ = 75451718351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75451716479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37725859239 + 37725859240.

It is an arithmetic number, because the mean of its divisors is an integer number (37725859240).

Almost surely, 2^75451718479 is an apocalyptic number.

75451718479 is a deficient number, since it is larger than the sum of its proper divisors (1).

75451718479 is an equidigital number, since it uses as much as digits as its factorization.

75451718479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9878400, while the sum is 58.

The spelling of 75451718479 in words is "seventy-five billion, four hundred fifty-one million, seven hundred eighteen thousand, four hundred seventy-nine".