75228896489 has 2 divisors, whose sum is σ = 75228896490. Its totient is φ = 75228896488.

The previous prime is 75228896471. The next prime is 75228896557. The reversal of 75228896489 is 98469882257.

It is an a-pointer prime, because the next prime (75228896557) can be obtained adding 75228896489 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55416926464 + 19811970025 = 235408^2 + 140755^2 .

It is a cyclic number.

It is not a de Polignac number, because 75228896489 - 2¹² = 75228892393 is a prime.

It is not a weakly prime, because it can be changed into another prime (75228890489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37614448244 + 37614448245.

It is an arithmetic number, because the mean of its divisors is an integer number (37614448245).

Almost surely, 2^75228896489 is an apocalyptic number.

It is an amenable number.

75228896489 is a deficient number, since it is larger than the sum of its proper divisors (1).

75228896489 is an equidigital number, since it uses as much as digits as its factorization.

75228896489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139345920, while the sum is 68.

The spelling of 75228896489 in words is "seventy-five billion, two hundred twenty-eight million, eight hundred ninety-six thousand, four hundred eighty-nine".