5436922661 has 4 divisors (see below), whose sum is σ = 5441791212. Its totient is φ = 5432054112.

The previous prime is 5436922657. The next prime is 5436922663. The reversal of 5436922661 is 1662296345.

5436922661 = 304² + 305² + ... + 2537².

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

It can be written as a sum of positive squares in 2 ways, for example, as 2595393025 + 2841529636 = 50945^2 + 53306^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436922661 - 2² = 5436922657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436922663) 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, 2432600 + ... + 2434833.

It is an arithmetic number, because the mean of its divisors is an integer number (1360447803).

Almost surely, 2^5436922661 is an apocalyptic number.

It is an amenable number.

5436922661 is a deficient number, since it is larger than the sum of its proper divisors (4868551).

5436922661 is a wasteful number, since it uses less digits than its factorization.

5436922661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868550.

The product of its digits is 466560, while the sum is 44.

The square root of 5436922661 is about 73735.4911897927. The cubic root of 5436922661 is about 1758.4001755402.

The spelling of 5436922661 in words is "five billion, four hundred thirty-six million, nine hundred twenty-two thousand, six hundred sixty-one".