1051817049 has 8 divisors (see below), whose sum is σ = 1558247520. Its totient is φ = 701211348.

The previous prime is 1051817027. The next prime is 1051817059. The reversal of 1051817049 is 9407181501.

It is not a de Polignac number, because 1051817049 - 2⁵ = 1051817017 is a prime.

It is a super-2 number, since 2×1051817049² = 2212638209134136802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051817059) 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 in 7 ways as a sum of consecutive naturals, for example, 19478067 + ... + 19478120.

It is an arithmetic number, because the mean of its divisors is an integer number (194780940).

Almost surely, 2^1051817049 is an apocalyptic number.

It is an amenable number.

1051817049 is a deficient number, since it is larger than the sum of its proper divisors (506430471).

1051817049 is an equidigital number, since it uses as much as digits as its factorization.

1051817049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38956196 (or 38956190 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1051817049 is about 32431.7290473388. The cubic root of 1051817049 is about 1016.9823179808.

The spelling of 1051817049 in words is "one billion, fifty-one million, eight hundred seventeen thousand, forty-nine".