5436278986 has 4 divisors (see below), whose sum is σ = 8154418482. Its totient is φ = 2718139492.

The previous prime is 5436278977. The next prime is 5436279007. The reversal of 5436278986 is 6898726345.

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., 4825941961 + 610337025 = 69469^2 + 24705^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5436278986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359069745 + ... + 1359069748.

Almost surely, 2^5436278986 is an apocalyptic number.

5436278986 is a deficient number, since it is larger than the sum of its proper divisors (2718139496).

5436278986 is a wasteful number, since it uses less digits than its factorization.

5436278986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718139495.

The product of its digits is 17418240, while the sum is 58.

The square root of 5436278986 is about 73731.1263036175. The cubic root of 5436278986 is about 1758.3307807145.

The spelling of 5436278986 in words is "five billion, four hundred thirty-six million, two hundred seventy-eight thousand, nine hundred eighty-six".