75459454079 has 2 divisors, whose sum is σ = 75459454080. Its totient is φ = 75459454078.

The previous prime is 75459454051. The next prime is 75459454093. The reversal of 75459454079 is 97045495457.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (97045495457) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75459454079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75459454879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37729727039 + 37729727040.

It is an arithmetic number, because the mean of its divisors is an integer number (37729727040).

Almost surely, 2^75459454079 is an apocalyptic number.

75459454079 is a deficient number, since it is larger than the sum of its proper divisors (1).

75459454079 is an equidigital number, since it uses as much as digits as its factorization.

75459454079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 75459454079 in words is "seventy-five billion, four hundred fifty-nine million, four hundred fifty-four thousand, seventy-nine".