48949965165637 has 2 divisors, whose sum is σ = 48949965165638. Its totient is φ = 48949965165636.

The previous prime is 48949965165631. The next prime is 48949965165763. The reversal of 48949965165637 is 73656156994984.

It is a happy number.

Together with next prime (48949965165763) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28170097617601 + 20779867548036 = 5307551^2 + 4558494^2 .

It is a cyclic number.

It is not a de Polignac number, because 48949965165637 - 2⁷ = 48949965165509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48949965165631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24474982582818 + 24474982582819.

It is an arithmetic number, because the mean of its divisors is an integer number (24474982582819).

Almost surely, 2^{48949965165637} is an apocalyptic number.

It is an amenable number.

48949965165637 is a deficient number, since it is larger than the sum of its proper divisors (1).

48949965165637 is an equidigital number, since it uses as much as digits as its factorization.

48949965165637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10581580800, while the sum is 82.

The spelling of 48949965165637 in words is "forty-eight trillion, nine hundred forty-nine billion, nine hundred sixty-five million, one hundred sixty-five thousand, six hundred thirty-seven".