48187547729 has 2 divisors, whose sum is σ = 48187547730. Its totient is φ = 48187547728.

The previous prime is 48187547657. The next prime is 48187547747. The reversal of 48187547729 is 92774578184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33211417600 + 14976130129 = 182240^2 + 122377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48187547729 is a prime.

It is a super-2 number, since 2×48187547729² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48187540729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24093773864 + 24093773865.

It is an arithmetic number, because the mean of its divisors is an integer number (24093773865).

Almost surely, 2^48187547729 is an apocalyptic number.

It is an amenable number.

48187547729 is a deficient number, since it is larger than the sum of its proper divisors (1).

48187547729 is an equidigital number, since it uses as much as digits as its factorization.

48187547729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 62.

The spelling of 48187547729 in words is "forty-eight billion, one hundred eighty-seven million, five hundred forty-seven thousand, seven hundred twenty-nine".