2137620337 has 2 divisors, whose sum is σ = 2137620338. Its totient is φ = 2137620336.

The previous prime is 2137620271. The next prime is 2137620349. The reversal of 2137620337 is 7330267312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1681328016 + 456292321 = 41004^2 + 21361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2137620337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2137623337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068810168 + 1068810169.

It is an arithmetic number, because the mean of its divisors is an integer number (1068810169).

Almost surely, 2^2137620337 is an apocalyptic number.

It is an amenable number.

2137620337 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137620337 is an equidigital number, since it uses as much as digits as its factorization.

2137620337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 2137620337 is about 46234.4064198947. The cubic root of 2137620337 is about 1288.1809059532.

Adding to 2137620337 its reverse (7330267312), we get a palindrome (9467887649).

The spelling of 2137620337 in words is "two billion, one hundred thirty-seven million, six hundred twenty thousand, three hundred thirty-seven".