5398657064 has 8 divisors (see below), whose sum is σ = 10122482010. Its totient is φ = 2699328528.

The previous prime is 5398657051. The next prime is 5398657067. The reversal of 5398657064 is 4607568935.

It can be written as a sum of positive squares in only one way, i.e., 5366734564 + 31922500 = 73258^2 + 5650^2 .

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 = 5398656997 and 5398657015.

It is not an unprimeable number, because it can be changed into a prime (5398657067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337416059 + ... + 337416074.

Almost surely, 2^5398657064 is an apocalyptic number.

It is an amenable number.

5398657064 is a deficient number, since it is larger than the sum of its proper divisors (4723824946).

5398657064 is a wasteful number, since it uses less digits than its factorization.

5398657064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674832139 (or 674832135 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 5398657064 is about 73475.5541932145. The cubic root of 5398657064 is about 1754.2651949926.

The spelling of 5398657064 in words is "five billion, three hundred ninety-eight million, six hundred fifty-seven thousand, sixty-four".