49698835129 has 2 divisors, whose sum is σ = 49698835130. Its totient is φ = 49698835128.

The previous prime is 49698835063. The next prime is 49698835159. The reversal of 49698835129 is 92153889694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42632751529 + 7066083600 = 206477^2 + 84060^2 .

It is a cyclic number.

It is not a de Polignac number, because 49698835129 - 2⁷ = 49698835001 is a prime.

It is not a weakly prime, because it can be changed into another prime (49698835159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24849417564 + 24849417565.

It is an arithmetic number, because the mean of its divisors is an integer number (24849417565).

Almost surely, 2^49698835129 is an apocalyptic number.

It is an amenable number.

49698835129 is a deficient number, since it is larger than the sum of its proper divisors (1).

49698835129 is an equidigital number, since it uses as much as digits as its factorization.

49698835129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 64.

The spelling of 49698835129 in words is "forty-nine billion, six hundred ninety-eight million, eight hundred thirty-five thousand, one hundred twenty-nine".