2113634251049 has 2 divisors, whose sum is σ = 2113634251050. Its totient is φ = 2113634251048.

The previous prime is 2113634251009. The next prime is 2113634251063. The reversal of 2113634251049 is 9401524363112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2107630325824 + 6003925225 = 1451768^2 + 77485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113634251049 - 2³⁶ = 2044914774313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113634250997 and 2113634251015.

It is not a weakly prime, because it can be changed into another prime (2113634251009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056817125524 + 1056817125525.

It is an arithmetic number, because the mean of its divisors is an integer number (1056817125525).

Almost surely, 2^{2113634251049} is an apocalyptic number.

It is an amenable number.

2113634251049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113634251049 is an equidigital number, since it uses as much as digits as its factorization.

2113634251049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 2113634251049 in words is "two trillion, one hundred thirteen billion, six hundred thirty-four million, two hundred fifty-one thousand, forty-nine".