44285763253 has 6 divisors (see below), whose sum is σ = 45339617814. Its totient is φ = 43255859976.

The previous prime is 44285763239. The next prime is 44285763281. The reversal of 44285763253 is 35236758244.

It can be written as a sum of positive squares in only one way, i.e., 43834540689 + 451222564 = 209367^2 + 21242^2 .

It is not a de Polignac number, because 44285763253 - 2³³ = 35695828661 is a prime.

It is a super-2 number, since 2×44285763253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44285763197 and 44285763206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44285763233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11973750 + ... + 11977447.

It is an arithmetic number, because the mean of its divisors is an integer number (7556602969).

Almost surely, 2^44285763253 is an apocalyptic number.

44285763253 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

44285763253 is a deficient number, since it is larger than the sum of its proper divisors (1053854561).

44285763253 is an equidigital number, since it uses as much as digits as its factorization.

44285763253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951283 (or 23951240 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 49.

The spelling of 44285763253 in words is "forty-four billion, two hundred eighty-five million, seven hundred sixty-three thousand, two hundred fifty-three".