2662642237 has 2 divisors, whose sum is σ = 2662642238. Its totient is φ = 2662642236.

The previous prime is 2662642231. The next prime is 2662642247. The reversal of 2662642237 is 7322462662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2455598916 + 207043321 = 49554^2 + 14389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662642237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2662642237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2662642231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331321118 + 1331321119.

It is an arithmetic number, because the mean of its divisors is an integer number (1331321119).

Almost surely, 2^2662642237 is an apocalyptic number.

It is an amenable number.

2662642237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662642237 is an equidigital number, since it uses as much as digits as its factorization.

2662642237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The square root of 2662642237 is about 51600.7968640020. The cubic root of 2662642237 is about 1386.0246015580.

The spelling of 2662642237 in words is "two billion, six hundred sixty-two million, six hundred forty-two thousand, two hundred thirty-seven".