2756241021386 has 8 divisors (see below), whose sum is σ = 4246101033060. Its totient is φ = 1340874010368.

The previous prime is 2756241021377. The next prime is 2756241021493. The reversal of 2756241021386 is 6831201426572.

It can be written as a sum of positive squares in 2 ways, for example, as 2675857998025 + 80383023361 = 1635805^2 + 283519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×2756241021386⁴ (a number of 51 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2756241021386.

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 3 ways as a sum of consecutive naturals, for example, 18623250071 + ... + 18623250218.

Almost surely, 2^{2756241021386} is an apocalyptic number.

2756241021386 is a deficient number, since it is larger than the sum of its proper divisors (1489860011674).

2756241021386 is a wasteful number, since it uses less digits than its factorization.

2756241021386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37246500328.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 2756241021386 in words is "two trillion, seven hundred fifty-six billion, two hundred forty-one million, twenty-one thousand, three hundred eighty-six".