2623661237 has 2 divisors, whose sum is σ = 2623661238. Its totient is φ = 2623661236.

The previous prime is 2623661207. The next prime is 2623661251. The reversal of 2623661237 is 7321663262.

It is a happy number.

2623661237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1690114321 + 933546916 = 41111^2 + 30554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623661237 - 2¹⁴ = 2623644853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2623661237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623661207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311830618 + 1311830619.

It is an arithmetic number, because the mean of its divisors is an integer number (1311830619).

Almost surely, 2^2623661237 is an apocalyptic number.

It is an amenable number.

2623661237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623661237 is an equidigital number, since it uses as much as digits as its factorization.

2623661237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 2623661237 is about 51221.6871744772. The cubic root of 2623661237 is about 1379.2275374798.

The spelling of 2623661237 in words is "two billion, six hundred twenty-three million, six hundred sixty-one thousand, two hundred thirty-seven".