75637623497 has 2 divisors, whose sum is σ = 75637623498. Its totient is φ = 75637623496.

The previous prime is 75637623487. The next prime is 75637623539. The reversal of 75637623497 is 79432673657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50897164816 + 24740458681 = 225604^2 + 157291^2 .

It is an emirp because it is prime and its reverse (79432673657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75637623497 - 2⁶ = 75637623433 is a prime.

It is not a weakly prime, because it can be changed into another prime (75637623427) 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, 37818811748 + 37818811749.

It is an arithmetic number, because the mean of its divisors is an integer number (37818811749).

Almost surely, 2^75637623497 is an apocalyptic number.

It is an amenable number.

75637623497 is a deficient number, since it is larger than the sum of its proper divisors (1).

75637623497 is an equidigital number, since it uses as much as digits as its factorization.

75637623497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 59.

The spelling of 75637623497 in words is "seventy-five billion, six hundred thirty-seven million, six hundred twenty-three thousand, four hundred ninety-seven".