6345851613 has 16 divisors (see below), whose sum is σ = 9110698560. Its totient is φ = 3914222336.

The previous prime is 6345851599. The next prime is 6345851669. The reversal of 6345851613 is 3161585436.

It is a cyclic number.

It is not a de Polignac number, because 6345851613 - 2¹² = 6345847517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345851693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051470 + ... + 1057487.

It is an arithmetic number, because the mean of its divisors is an integer number (569418660).

Almost surely, 2^6345851613 is an apocalyptic number.

It is an amenable number.

6345851613 is a deficient number, since it is larger than the sum of its proper divisors (2764846947).

6345851613 is a wasteful number, since it uses less digits than its factorization.

6345851613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109036.

The product of its digits is 259200, while the sum is 42.

The square root of 6345851613 is about 79660.8537049409. The cubic root of 6345851613 is about 1851.3845601128.

The spelling of 6345851613 in words is "six billion, three hundred forty-five million, eight hundred fifty-one thousand, six hundred thirteen".