85413002489 has 2 divisors, whose sum is σ = 85413002490. Its totient is φ = 85413002488.

The previous prime is 85413002429. The next prime is 85413002509. The reversal of 85413002489 is 98420031458.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49726770025 + 35686232464 = 222995^2 + 188908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85413002489 is a prime.

It is not a weakly prime, because it can be changed into another prime (85413002429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42706501244 + 42706501245.

It is an arithmetic number, because the mean of its divisors is an integer number (42706501245).

Almost surely, 2^85413002489 is an apocalyptic number.

It is an amenable number.

85413002489 is a deficient number, since it is larger than the sum of its proper divisors (1).

85413002489 is an equidigital number, since it uses as much as digits as its factorization.

85413002489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 85413002489 in words is "eighty-five billion, four hundred thirteen million, two thousand, four hundred eighty-nine".