2147943753 has 6 divisors (see below), whose sum is σ = 3102585434. Its totient is φ = 1431962496.

The previous prime is 2147943739. The next prime is 2147943767. The reversal of 2147943753 is 3573497412.

It is an interprime number because it is at equal distance from previous prime (2147943739) and next prime (2147943767).

It can be written as a sum of positive squares in only one way, i.e., 2087850249 + 60093504 = 45693^2 + 7752^2 .

It is not a de Polignac number, because 2147943753 - 2⁹ = 2147943241 is a prime.

It is a super-2 number, since 2×2147943753² = 9227324732103450018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2147943699 and 2147943708.

It is not an unprimeable number, because it can be changed into a prime (2147943703) 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, 119330200 + ... + 119330217.

Almost surely, 2^2147943753 is an apocalyptic number.

It is an amenable number.

2147943753 is a deficient number, since it is larger than the sum of its proper divisors (954641681).

2147943753 is a wasteful number, since it uses less digits than its factorization.

2147943753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238660423 (or 238660420 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 2147943753 is about 46345.9140917514. The cubic root of 2147943753 is about 1290.2512887064.

The spelling of 2147943753 in words is "two billion, one hundred forty-seven million, nine hundred forty-three thousand, seven hundred fifty-three".