5398321061 has 16 divisors (see below), whose sum is σ = 6271937280. Its totient is φ = 4550636160.

The previous prime is 5398321057. The next prime is 5398321063. The reversal of 5398321061 is 1601238935.

It is a happy number.

It is not a de Polignac number, because 5398321061 - 2² = 5398321057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398321063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189995 + ... + 216551.

It is an arithmetic number, because the mean of its divisors is an integer number (391996080).

Almost surely, 2^5398321061 is an apocalyptic number.

It is an amenable number.

5398321061 is a deficient number, since it is larger than the sum of its proper divisors (873616219).

5398321061 is a wasteful number, since it uses less digits than its factorization.

5398321061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27044.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 5398321061 is about 73473.2676624635. The cubic root of 5398321061 is about 1754.2288001021.

Adding to 5398321061 its reverse (1601238935), we get a palindrome (6999559996).

The spelling of 5398321061 in words is "five billion, three hundred ninety-eight million, three hundred twenty-one thousand, sixty-one".