48644228497 has 2 divisors, whose sum is σ = 48644228498. Its totient is φ = 48644228496.

The previous prime is 48644228473. The next prime is 48644228533. The reversal of 48644228497 is 79482244684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46776605841 + 1867622656 = 216279^2 + 43216^2 .

It is a cyclic number.

It is not a de Polignac number, because 48644228497 - 2¹⁵ = 48644195729 is a prime.

It is not a weakly prime, because it can be changed into another prime (48644226497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24322114248 + 24322114249.

It is an arithmetic number, because the mean of its divisors is an integer number (24322114249).

Almost surely, 2^48644228497 is an apocalyptic number.

It is an amenable number.

48644228497 is a deficient number, since it is larger than the sum of its proper divisors (1).

48644228497 is an equidigital number, since it uses as much as digits as its factorization.

48644228497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24772608, while the sum is 58.

The spelling of 48644228497 in words is "forty-eight billion, six hundred forty-four million, two hundred twenty-eight thousand, four hundred ninety-seven".