84954580589 has 2 divisors, whose sum is σ = 84954580590. Its totient is φ = 84954580588.

The previous prime is 84954580567. The next prime is 84954580609. The reversal of 84954580589 is 98508545948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53178666025 + 31775914564 = 230605^2 + 178258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84954580589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84984580589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42477290294 + 42477290295.

It is an arithmetic number, because the mean of its divisors is an integer number (42477290295).

Almost surely, 2^84954580589 is an apocalyptic number.

It is an amenable number.

84954580589 is a deficient number, since it is larger than the sum of its proper divisors (1).

84954580589 is an equidigital number, since it uses as much as digits as its factorization.

84954580589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944000, while the sum is 65.

The spelling of 84954580589 in words is "eighty-four billion, nine hundred fifty-four million, five hundred eighty thousand, five hundred eighty-nine".