34649538561 has 40 divisors (see below), whose sum is σ = 57014278464. Its totient is φ = 20795784480.

The previous prime is 34649538559. The next prime is 34649538563. The reversal of 34649538561 is 16583594643.

34649538561 is a `hidden beast` number, since 3 + 4 + 6 + 49 + 5 + 38 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (34649538559) and next prime (34649538563).

It is not a de Polignac number, because 34649538561 - 2¹ = 34649538559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34649538498 and 34649538507.

It is not an unprimeable number, because it can be changed into a prime (34649538563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 97006 + ... + 280551.

Almost surely, 2^34649538561 is an apocalyptic number.

It is an amenable number.

34649538561 is a deficient number, since it is larger than the sum of its proper divisors (22364739903).

34649538561 is a wasteful number, since it uses less digits than its factorization.

34649538561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377683 (or 377674 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 34649538561 in words is "thirty-four billion, six hundred forty-nine million, five hundred thirty-eight thousand, five hundred sixty-one".