48779936566139 has 2 divisors, whose sum is σ = 48779936566140. Its totient is φ = 48779936566138.

The previous prime is 48779936566103. The next prime is 48779936566169. The reversal of 48779936566139 is 93166563997784.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48779936566139 is a prime.

It is a super-2 number, since 2×48779936566139² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48779936566169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24389968283069 + 24389968283070.

It is an arithmetic number, because the mean of its divisors is an integer number (24389968283070).

Almost surely, 2^{48779936566139} is an apocalyptic number.

48779936566139 is a deficient number, since it is larger than the sum of its proper divisors (1).

48779936566139 is an equidigital number, since it uses as much as digits as its factorization.

48779936566139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11110659840, while the sum is 83.

The spelling of 48779936566139 in words is "forty-eight trillion, seven hundred seventy-nine billion, nine hundred thirty-six million, five hundred sixty-six thousand, one hundred thirty-nine".