75342590881 has 2 divisors, whose sum is σ = 75342590882. Its totient is φ = 75342590880.

The previous prime is 75342590839. The next prime is 75342590923. The reversal of 75342590881 is 18809524357.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (75342590839) and next prime (75342590923).

It can be written as a sum of positive squares in only one way, i.e., 62727707025 + 12614883856 = 250455^2 + 112316^2 .

It is a cyclic number.

It is not a de Polignac number, because 75342590881 - 2⁹ = 75342590369 is a prime.

It is a super-2 number, since 2×75342590881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75342590831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37671295440 + 37671295441.

It is an arithmetic number, because the mean of its divisors is an integer number (37671295441).

Almost surely, 2^75342590881 is an apocalyptic number.

It is an amenable number.

75342590881 is a deficient number, since it is larger than the sum of its proper divisors (1).

75342590881 is an equidigital number, since it uses as much as digits as its factorization.

75342590881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 75342590881 in words is "seventy-five billion, three hundred forty-two million, five hundred ninety thousand, eight hundred eighty-one".