5323521986 has 4 divisors (see below), whose sum is σ = 7985282982. Its totient is φ = 2661760992.

The previous prime is 5323521953. The next prime is 5323521989. The reversal of 5323521986 is 6891253235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5148780025 + 174741961 = 71755^2 + 13219^2 .

It is not an unprimeable number, because it can be changed into a prime (5323521989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330880495 + ... + 1330880498.

Almost surely, 2^5323521986 is an apocalyptic number.

5323521986 is a deficient number, since it is larger than the sum of its proper divisors (2661760996).

5323521986 is a wasteful number, since it uses less digits than its factorization.

5323521986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661760995.

The product of its digits is 388800, while the sum is 44.

The square root of 5323521986 is about 72962.4697087482. The cubic root of 5323521986 is about 1746.0888966528.

The spelling of 5323521986 in words is "five billion, three hundred twenty-three million, five hundred twenty-one thousand, nine hundred eighty-six".