75235185049 has 2 divisors, whose sum is σ = 75235185050. Its totient is φ = 75235185048.

The previous prime is 75235185019. The next prime is 75235185073. The reversal of 75235185049 is 94058153257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68700079449 + 6535105600 = 262107^2 + 80840^2 .

It is a cyclic number.

It is not a de Polignac number, because 75235185049 - 2³³ = 66645250457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75235184993 and 75235185011.

It is not a weakly prime, because it can be changed into another prime (75235185019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37617592524 + 37617592525.

It is an arithmetic number, because the mean of its divisors is an integer number (37617592525).

Almost surely, 2^75235185049 is an apocalyptic number.

It is an amenable number.

75235185049 is a deficient number, since it is larger than the sum of its proper divisors (1).

75235185049 is an equidigital number, since it uses as much as digits as its factorization.

75235185049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 75235185049 in words is "seventy-five billion, two hundred thirty-five million, one hundred eighty-five thousand, forty-nine".