75231636479 has 2 divisors, whose sum is σ = 75231636480. Its totient is φ = 75231636478.

The previous prime is 75231636449. The next prime is 75231636503. The reversal of 75231636479 is 97463613257.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75231636479 - 2¹⁶ = 75231570943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75231636479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75231636419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37615818239 + 37615818240.

It is an arithmetic number, because the mean of its divisors is an integer number (37615818240).

Almost surely, 2^75231636479 is an apocalyptic number.

75231636479 is a deficient number, since it is larger than the sum of its proper divisors (1).

75231636479 is an equidigital number, since it uses as much as digits as its factorization.

75231636479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 53.

The spelling of 75231636479 in words is "seventy-five billion, two hundred thirty-one million, six hundred thirty-six thousand, four hundred seventy-nine".