5436263643 has 8 divisors (see below), whose sum is σ = 7498294800. Its totient is φ = 3499204128.

The previous prime is 5436263639. The next prime is 5436263653. The reversal of 5436263643 is 3463626345.

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

It is not a de Polignac number, because 5436263643 - 2² = 5436263639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5436263595 and 5436263604.

It is not an unprimeable number, because it can be changed into a prime (5436263653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31242808 + ... + 31242981.

It is an arithmetic number, because the mean of its divisors is an integer number (937286850).

Almost surely, 2^5436263643 is an apocalyptic number.

5436263643 is a deficient number, since it is larger than the sum of its proper divisors (2062031157).

5436263643 is a wasteful number, since it uses less digits than its factorization.

5436263643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62485821.

The product of its digits is 933120, while the sum is 42.

The square root of 5436263643 is about 73731.0222565780. The cubic root of 5436263643 is about 1758.3291265135.

Adding to 5436263643 its reverse (3463626345), we get a palindrome (8899889988).

The spelling of 5436263643 in words is "five billion, four hundred thirty-six million, two hundred sixty-three thousand, six hundred forty-three".