48427749457 has 2 divisors, whose sum is σ = 48427749458. Its totient is φ = 48427749456.

The previous prime is 48427749439. The next prime is 48427749481. The reversal of 48427749457 is 75494772484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48122758161 + 304991296 = 219369^2 + 17464^2 .

It is a cyclic number.

It is not a de Polignac number, because 48427749457 - 2¹⁹ = 48427225169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48427749395 and 48427749404.

It is not a weakly prime, because it can be changed into another prime (48427749427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24213874728 + 24213874729.

It is an arithmetic number, because the mean of its divisors is an integer number (24213874729).

Almost surely, 2^48427749457 is an apocalyptic number.

It is an amenable number.

48427749457 is a deficient number, since it is larger than the sum of its proper divisors (1).

48427749457 is an equidigital number, since it uses as much as digits as its factorization.

48427749457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63221760, while the sum is 61.

The spelling of 48427749457 in words is "forty-eight billion, four hundred twenty-seven million, seven hundred forty-nine thousand, four hundred fifty-seven".