5436473986 has 4 divisors (see below), whose sum is σ = 8154710982. Its totient is φ = 2718236992.

The previous prime is 5436473983. The next prime is 5436474019. The reversal of 5436473986 is 6893746345.

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., 4920321025 + 516152961 = 70145^2 + 22719^2 .

It is not an unprimeable number, because it can be changed into a prime (5436473981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359118495 + ... + 1359118498.

Almost surely, 2^5436473986 is an apocalyptic number.

5436473986 is a deficient number, since it is larger than the sum of its proper divisors (2718236996).

5436473986 is a wasteful number, since it uses less digits than its factorization.

5436473986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718236995.

The product of its digits is 13063680, while the sum is 55.

The square root of 5436473986 is about 73732.4486640719. The cubic root of 5436473986 is about 1758.3518043107.

The spelling of 5436473986 in words is "five billion, four hundred thirty-six million, four hundred seventy-three thousand, nine hundred eighty-six".