6013649691 has 24 divisors (see below), whose sum is σ = 9970669280. Its totient is φ = 3421357056.

The previous prime is 6013649689. The next prime is 6013649711. The reversal of 6013649691 is 1969463106.

6013649691 is a `hidden beast` number, since 60 + 13 + 6 + 496 + 91 = 666.

It is not a de Polignac number, because 6013649691 - 2¹ = 6013649689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6013649491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193990 + ... + 222843.

Almost surely, 2^6013649691 is an apocalyptic number.

6013649691 is a deficient number, since it is larger than the sum of its proper divisors (3957019589).

6013649691 is a wasteful number, since it uses less digits than its factorization.

6013649691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417075 (or 417072 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 6013649691 is about 77547.7252471019. The cubic root of 6013649691 is about 1818.4975011499.

The spelling of 6013649691 in words is "six billion, thirteen million, six hundred forty-nine thousand, six hundred ninety-one".