5398925986 has 8 divisors (see below), whose sum is σ = 8105047020. Its totient is φ = 2697243648.

The previous prime is 5398925951. The next prime is 5398925989. The reversal of 5398925986 is 6895298935.

It can be written as a sum of positive squares in 2 ways, for example, as 5260745961 + 138180025 = 72531^2 + 11755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5398925989) 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 in 3 ways as a sum of consecutive naturals, for example, 1106631 + ... + 1111498.

Almost surely, 2^5398925986 is an apocalyptic number.

5398925986 is a deficient number, since it is larger than the sum of its proper divisors (2706121034).

5398925986 is a wasteful number, since it uses less digits than its factorization.

5398925986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219348.

The product of its digits is 41990400, while the sum is 64.

The square root of 5398925986 is about 73477.3841804402. The cubic root of 5398925986 is about 1754.2943227717.

The spelling of 5398925986 in words is "five billion, three hundred ninety-eight million, nine hundred twenty-five thousand, nine hundred eighty-six".