44699052557 has 2 divisors, whose sum is σ = 44699052558. Its totient is φ = 44699052556.

The previous prime is 44699052529. The next prime is 44699052569. The reversal of 44699052557 is 75525099644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34608649156 + 10090403401 = 186034^2 + 100451^2 .

It is a cyclic number.

It is not a de Polignac number, because 44699052557 - 2¹² = 44699048461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44699052257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22349526278 + 22349526279.

It is an arithmetic number, because the mean of its divisors is an integer number (22349526279).

Almost surely, 2^44699052557 is an apocalyptic number.

It is an amenable number.

44699052557 is a deficient number, since it is larger than the sum of its proper divisors (1).

44699052557 is an equidigital number, since it uses as much as digits as its factorization.

44699052557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 44699052557 in words is "forty-four billion, six hundred ninety-nine million, fifty-two thousand, five hundred fifty-seven".