75346449851 has 2 divisors, whose sum is σ = 75346449852. Its totient is φ = 75346449850.

The previous prime is 75346449781. The next prime is 75346449859. The reversal of 75346449851 is 15894464357.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15894464357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75346449851 - 2²⁶ = 75279340987 is a prime.

It is not a weakly prime, because it can be changed into another prime (75346449859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37673224925 + 37673224926.

It is an arithmetic number, because the mean of its divisors is an integer number (37673224926).

Almost surely, 2^75346449851 is an apocalyptic number.

75346449851 is a deficient number, since it is larger than the sum of its proper divisors (1).

75346449851 is an equidigital number, since it uses as much as digits as its factorization.

75346449851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The spelling of 75346449851 in words is "seventy-five billion, three hundred forty-six million, four hundred forty-nine thousand, eight hundred fifty-one".