2137620271 has 2 divisors, whose sum is σ = 2137620272. Its totient is φ = 2137620270.

The previous prime is 2137620229. The next prime is 2137620337. The reversal of 2137620271 is 1720267312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2137620271 - 2⁷ = 2137620143 is a prime.

It is a super-2 number, since 2×2137620271² = 9138840845980226882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2137620211) 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 as a sum of consecutive naturals, namely, 1068810135 + 1068810136.

It is an arithmetic number, because the mean of its divisors is an integer number (1068810136).

Almost surely, 2^2137620271 is an apocalyptic number.

2137620271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137620271 is an equidigital number, since it uses as much as digits as its factorization.

2137620271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2137620271 is about 46234.4057061405. The cubic root of 2137620271 is about 1288.1808926955.

Adding to 2137620271 its reverse (1720267312), we get a palindrome (3857887583).

The spelling of 2137620271 in words is "two billion, one hundred thirty-seven million, six hundred twenty thousand, two hundred seventy-one".