75307109893 has 2 divisors, whose sum is σ = 75307109894. Its totient is φ = 75307109892.

The previous prime is 75307109873. The next prime is 75307109903. The reversal of 75307109893 is 39890170357.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49747733764 + 25559376129 = 223042^2 + 159873^2 .

It is an emirp because it is prime and its reverse (39890170357) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75307109893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75307109893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75307109803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37653554946 + 37653554947.

It is an arithmetic number, because the mean of its divisors is an integer number (37653554947).

Almost surely, 2^75307109893 is an apocalyptic number.

It is an amenable number.

75307109893 is a deficient number, since it is larger than the sum of its proper divisors (1).

75307109893 is an equidigital number, since it uses as much as digits as its factorization.

75307109893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 75307109893 in words is "seventy-five billion, three hundred seven million, one hundred nine thousand, eight hundred ninety-three".