6623531237 has 6 divisors (see below), whose sum is σ = 6924032262. Its totient is φ = 6335551112.

The previous prime is 6623531197. The next prime is 6623531249. The reversal of 6623531237 is 7321353266.

It can be written as a sum of positive squares in only one way, i.e., 5142897796 + 1480633441 = 71714^2 + 38479^2 .

It is not a de Polignac number, because 6623531237 - 2¹⁴ = 6623514853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6623531237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623531267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6259898 + ... + 6260955.

It is an arithmetic number, because the mean of its divisors is an integer number (1154005377).

Almost surely, 2^6623531237 is an apocalyptic number.

It is an amenable number.

6623531237 is a deficient number, since it is larger than the sum of its proper divisors (300501025).

6623531237 is a wasteful number, since it uses less digits than its factorization.

6623531237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12520899 (or 12520876 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 6623531237 is about 81385.0799409818. The cubic root of 6623531237 is about 1878.0040720465.

The spelling of 6623531237 in words is "six billion, six hundred twenty-three million, five hundred thirty-one thousand, two hundred thirty-seven".