48978760729 has 2 divisors, whose sum is σ = 48978760730. Its totient is φ = 48978760728.

The previous prime is 48978760661. The next prime is 48978760757. The reversal of 48978760729 is 92706787984.

48978760729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43465995225 + 5512765504 = 208485^2 + 74248^2 .

It is a cyclic number.

It is not a de Polignac number, because 48978760729 - 2⁷ = 48978760601 is a prime.

It is a super-2 number, since 2×48978760729² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48978760529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24489380364 + 24489380365.

It is an arithmetic number, because the mean of its divisors is an integer number (24489380365).

Almost surely, 2^48978760729 is an apocalyptic number.

It is an amenable number.

48978760729 is a deficient number, since it is larger than the sum of its proper divisors (1).

48978760729 is an equidigital number, since it uses as much as digits as its factorization.

48978760729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 67.

The spelling of 48978760729 in words is "forty-eight billion, nine hundred seventy-eight million, seven hundred sixty thousand, seven hundred twenty-nine".