1035636849 has 12 divisors (see below), whose sum is σ = 1610990836. Its totient is φ = 637314912.

The previous prime is 1035636839. The next prime is 1035636851. The reversal of 1035636849 is 9486365301.

1035636849 is a `hidden beast` number, since 1 + 0 + 3 + 5 + 636 + 8 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88228449 + 947408400 = 9393^2 + 30780^2 .

It is not a de Polignac number, because 1035636849 - 2⁹ = 1035636337 is a prime.

It is a super-3 number, since 3×1035636849³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1035636839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4425682 + ... + 4425915.

Almost surely, 2^1035636849 is an apocalyptic number.

It is an amenable number.

1035636849 is a deficient number, since it is larger than the sum of its proper divisors (575353987).

1035636849 is a wasteful number, since it uses less digits than its factorization.

1035636849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851616 (or 8851613 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1035636849 is about 32181.3121081164. The cubic root of 1035636849 is about 1011.7405692564.

The spelling of 1035636849 in words is "one billion, thirty-five million, six hundred thirty-six thousand, eight hundred forty-nine".