85467417449 has 4 divisors (see below), whose sum is σ = 85481780436. Its totient is φ = 85453054464.

The previous prime is 85467417439. The next prime is 85467417463. The reversal of 85467417449 is 94471476458.

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 22488001600 + 62979415849 = 149960^2 + 250957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85467417449 is a prime.

It is a super-3 number, since 3×85467417449³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85467417419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172564 + ... + 7184469.

It is an arithmetic number, because the mean of its divisors is an integer number (21370445109).

Almost surely, 2^85467417449 is an apocalyptic number.

It is an amenable number.

85467417449 is a deficient number, since it is larger than the sum of its proper divisors (14362987).

85467417449 is a wasteful number, since it uses less digits than its factorization.

85467417449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362986.

The product of its digits is 27095040, while the sum is 59.

The spelling of 85467417449 in words is "eighty-five billion, four hundred sixty-seven million, four hundred seventeen thousand, four hundred forty-nine".