8455078633489 has 2 divisors, whose sum is σ = 8455078633490. Its totient is φ = 8455078633488.

The previous prime is 8455078633483. The next prime is 8455078633499. The reversal of 8455078633489 is 9843368705548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7523500410000 + 931578223489 = 2742900^2 + 965183^2 .

It is a cyclic number.

It is not a de Polignac number, because 8455078633489 - 2³³ = 8446488698897 is a prime.

It is not a weakly prime, because it can be changed into another prime (8455078633483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227539316744 + 4227539316745.

It is an arithmetic number, because the mean of its divisors is an integer number (4227539316745).

Almost surely, 2^{8455078633489} is an apocalyptic number.

It is an amenable number.

8455078633489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8455078633489 is an equidigital number, since it uses as much as digits as its factorization.

8455078633489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 696729600, while the sum is 70.

The spelling of 8455078633489 in words is "eight trillion, four hundred fifty-five billion, seventy-eight million, six hundred thirty-three thousand, four hundred eighty-nine".