85413002449 has 4 divisors (see below), whose sum is σ = 86293548964. Its totient is φ = 84532455936.

The previous prime is 85413002429. The next prime is 85413002489. The reversal of 85413002449 is 94420031458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38315322049 + 47097680400 = 195743^2 + 217020^2 .

It is a cyclic number.

It is not a de Polignac number, because 85413002449 - 2¹³ = 85412994257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85413002429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440273112 + ... + 440273305.

It is an arithmetic number, because the mean of its divisors is an integer number (21573387241).

Almost surely, 2^85413002449 is an apocalyptic number.

It is an amenable number.

85413002449 is a deficient number, since it is larger than the sum of its proper divisors (880546515).

85413002449 is an equidigital number, since it uses as much as digits as its factorization.

85413002449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880546514.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 85413002449 in words is "eighty-five billion, four hundred thirteen million, two thousand, four hundred forty-nine".