849220425045 has 16 divisors (see below), whose sum is σ = 1509725200320. Its totient is φ = 452917559952.

The previous prime is 849220424993. The next prime is 849220425049. The reversal of 849220425045 is 540524022948.

849220425045 is a `hidden beast` number, since 84 + 9 + 2 + 20 + 42 + 504 + 5 = 666.

It is not a de Polignac number, because 849220425045 - 2⁶ = 849220424981 is a prime.

It is a super-2 number, since 2×849220425045² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849220425049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3145260699 + ... + 3145260968.

It is an arithmetic number, because the mean of its divisors is an integer number (94357825020).

Almost surely, 2^849220425045 is an apocalyptic number.

It is an amenable number.

849220425045 is a deficient number, since it is larger than the sum of its proper divisors (660504775275).

849220425045 is a wasteful number, since it uses less digits than its factorization.

849220425045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290521681 (or 6290521675 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 849220425045 in words is "eight hundred forty-nine billion, two hundred twenty million, four hundred twenty-five thousand, forty-five".