1035646849 has 2 divisors, whose sum is σ = 1035646850. Its totient is φ = 1035646848.

The previous prime is 1035646819. The next prime is 1035646907. The reversal of 1035646849 is 9486465301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 985520449 + 50126400 = 31393^2 + 7080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1035646849 - 2¹¹ = 1035644801 is a prime.

It is a super-3 number, since 3×1035646849³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1035646799 and 1035646808.

It is not a weakly prime, because it can be changed into another prime (1035646819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517823424 + 517823425.

It is an arithmetic number, because the mean of its divisors is an integer number (517823425).

Almost surely, 2^1035646849 is an apocalyptic number.

It is an amenable number.

1035646849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035646849 is an equidigital number, since it uses as much as digits as its factorization.

1035646849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 1035646849 is about 32181.4674774163. The cubic root of 1035646849 is about 1011.7438256659.

The spelling of 1035646849 in words is "one billion, thirty-five million, six hundred forty-six thousand, eight hundred forty-nine".