244689133437 has 24 divisors (see below), whose sum is σ = 409044330240. Its totient is φ = 138052455840.

The previous prime is 244689133411. The next prime is 244689133489. The reversal of 244689133437 is 734331986442.

It is a happy number.

244689133437 is a `hidden beast` number, since 2 + 4 + 468 + 9 + 133 + 43 + 7 = 666.

It is not a de Polignac number, because 244689133437 - 2¹⁴ = 244689117053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244689131437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24577014 + ... + 24586967.

It is an arithmetic number, because the mean of its divisors is an integer number (17043513760).

Almost surely, 2^244689133437 is an apocalyptic number.

It is an amenable number.

244689133437 is a deficient number, since it is larger than the sum of its proper divisors (164355196803).

244689133437 is a wasteful number, since it uses less digits than its factorization.

244689133437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49164073 (or 49164070 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 244689133437 in words is "two hundred forty-four billion, six hundred eighty-nine million, one hundred thirty-three thousand, four hundred thirty-seven".