436272365449 has 4 divisors (see below), whose sum is σ = 436780250320. Its totient is φ = 435764480580.

The previous prime is 436272365437. The next prime is 436272365521. The reversal of 436272365449 is 944563272634.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 436272365449 - 2²¹ = 436270268297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 436272365449.

It is not an unprimeable number, because it can be changed into a prime (436272365149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253941147 + ... + 253942864.

It is an arithmetic number, because the mean of its divisors is an integer number (109195062580).

Almost surely, 2^436272365449 is an apocalyptic number.

It is an amenable number.

436272365449 is a deficient number, since it is larger than the sum of its proper divisors (507884871).

436272365449 is an equidigital number, since it uses as much as digits as its factorization.

436272365449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507884870.

The product of its digits is 26127360, while the sum is 55.

The spelling of 436272365449 in words is "four hundred thirty-six billion, two hundred seventy-two million, three hundred sixty-five thousand, four hundred forty-nine".