4253378266384 has 135 divisors (see below), whose sum is σ = 9483460274253. Its totient is φ = 1846829377536.

The previous prime is 4253378266327. The next prime is 4253378266409. The reversal of 4253378266384 is 4836628733524.

The square root of 4253378266384 is 2062372.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 3167047344400 + 1086330921984 = 1779620^2 + 1042272^2 .

It is a super-3 number, since 3×4253378266384³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1823135682 + ... + 1823138014.

Almost surely, 2^{4253378266384} is an apocalyptic number.

4253378266384 is the 2062372-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4253378266384

4253378266384 is an abundant number, since it is smaller than the sum of its proper divisors (5230082007869).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4253378266384 is an equidigital number, since it uses as much as digits as its factorization.

4253378266384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734 (or 2365 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 61.

The spelling of 4253378266384 in words is "four trillion, two hundred fifty-three billion, three hundred seventy-eight million, two hundred sixty-six thousand, three hundred eighty-four".