2456356505 has 4 divisors (see below), whose sum is σ = 2947627812. Its totient is φ = 1965085200.

The previous prime is 2456356489. The next prime is 2456356519. The reversal of 2456356505 is 5056536542.

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 1667252224 + 789104281 = 40832^2 + 28091^2 .

It is not a de Polignac number, because 2456356505 - 2⁴ = 2456356489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 245635646 + ... + 245635655.

It is an arithmetic number, because the mean of its divisors is an integer number (736906953).

Almost surely, 2^2456356505 is an apocalyptic number.

It is an amenable number.

2456356505 is a deficient number, since it is larger than the sum of its proper divisors (491271307).

2456356505 is an equidigital number, since it uses as much as digits as its factorization.

2456356505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491271306.

The product of its (nonzero) digits is 540000, while the sum is 41.

The square root of 2456356505 is about 49561.6434856634. The cubic root of 2456356505 is about 1349.2646209839.

The spelling of 2456356505 in words is "two billion, four hundred fifty-six million, three hundred fifty-six thousand, five hundred five".