2143915291753 has 8 divisors (see below), whose sum is σ = 2146809658280. Its totient is φ = 2141022689280.

The previous prime is 2143915291729. The next prime is 2143915291759. The reversal of 2143915291753 is 3571925193412.

It can be written as a sum of positive squares in 4 ways, for example, as 46782661849 + 2097132629904 = 216293^2 + 1448148^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2143915291753 - 2²¹ = 2143913194601 is a prime.

It is a super-2 number, since 2×2143915291753² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143915291753.

It is not an unprimeable number, because it can be changed into a prime (2143915291759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000401 + ... + 2879137.

It is an arithmetic number, because the mean of its divisors is an integer number (268351207285).

Almost surely, 2^{2143915291753} is an apocalyptic number.

It is an amenable number.

2143915291753 is a deficient number, since it is larger than the sum of its proper divisors (2894366527).

2143915291753 is a wasteful number, since it uses less digits than its factorization.

2143915291753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882027.

The product of its digits is 2041200, while the sum is 52.

The spelling of 2143915291753 in words is "two trillion, one hundred forty-three billion, nine hundred fifteen million, two hundred ninety-one thousand, seven hundred fifty-three".