2137052042243 has 4 divisors (see below), whose sum is σ = 2205989204928. Its totient is φ = 2068114879560.

The previous prime is 2137052042207. The next prime is 2137052042249. The reversal of 2137052042243 is 3422402507312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2137052042243 - 2⁸ = 2137052041987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137052042249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34468581296 + ... + 34468581357.

It is an arithmetic number, because the mean of its divisors is an integer number (551497301232).

Almost surely, 2^{2137052042243} is an apocalyptic number.

2137052042243 is a deficient number, since it is larger than the sum of its proper divisors (68937162685).

2137052042243 is an equidigital number, since it uses as much as digits as its factorization.

2137052042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68937162684.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 2137052042243 its reverse (3422402507312), we get a palindrome (5559454549555).

The spelling of 2137052042243 in words is "two trillion, one hundred thirty-seven billion, fifty-two million, forty-two thousand, two hundred forty-three".