1010101049 has 2 divisors, whose sum is σ = 1010101050. Its totient is φ = 1010101048.

The previous prime is 1010101039. The next prime is 1010101069. The reversal of 1010101049 is 9401010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 972192400 + 37908649 = 31180^2 + 6157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010101049 - 2¹² = 1010096953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010101039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050524 + 505050525.

It is an arithmetic number, because the mean of its divisors is an integer number (505050525).

Almost surely, 2^1010101049 is an apocalyptic number.

It is an amenable number.

1010101049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010101049 is an equidigital number, since it uses as much as digits as its factorization.

1010101049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1010101049 is about 31782.0869201505. The cubic root of 1010101049 is about 1003.3557427277.

The spelling of 1010101049 in words is "one billion, ten million, one hundred one thousand, forty-nine".