49999861239359 has 2 divisors, whose sum is σ = 49999861239360. Its totient is φ = 49999861239358.

The previous prime is 49999861239353. The next prime is 49999861239413. The reversal of 49999861239359 is 95393216899994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49999861239359 - 2⁴ = 49999861239343 is a prime.

It is a super-2 number, since 2×49999861239359² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999861239353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999930619679 + 24999930619680.

It is an arithmetic number, because the mean of its divisors is an integer number (24999930619680).

Almost surely, 2^{49999861239359} is an apocalyptic number.

49999861239359 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999861239359 is an equidigital number, since it uses as much as digits as its factorization.

49999861239359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9183300480, while the sum is 86.

The spelling of 49999861239359 in words is "forty-nine trillion, nine hundred ninety-nine billion, eight hundred sixty-one million, two hundred thirty-nine thousand, three hundred fifty-nine".