8490549064 has 8 divisors (see below), whose sum is σ = 15919779510. Its totient is φ = 4245274528.

The previous prime is 8490549007. The next prime is 8490549073. The reversal of 8490549064 is 4609450948.

It can be written as a sum of positive squares in only one way, i.e., 6915252964 + 1575296100 = 83158^2 + 39690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 8490548999 and 8490549017.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 530659309 + ... + 530659324.

Almost surely, 2^8490549064 is an apocalyptic number.

It is an amenable number.

8490549064 is a deficient number, since it is larger than the sum of its proper divisors (7429230446).

8490549064 is a wasteful number, since it uses less digits than its factorization.

8490549064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061318639 (or 1061318635 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 8490549064 is about 92144.1754209131. The cubic root of 8490549064 is about 2040.0708888605.

The spelling of 8490549064 in words is "eight billion, four hundred ninety million, five hundred forty-nine thousand, sixty-four".