6193172644 has 12 divisors (see below), whose sum is σ = 10875044124. Its totient is φ = 3086017184.

The previous prime is 6193172627. The next prime is 6193172647. The reversal of 6193172644 is 4462713916.

It can be written as a sum of positive squares in 2 ways, for example, as 5422555044 + 770617600 = 73638^2 + 27760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6193172644.

It is not an unprimeable number, because it can be changed into a prime (6193172647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640967 + ... + 2643310.

It is an arithmetic number, because the mean of its divisors is an integer number (906253677).

Almost surely, 2^6193172644 is an apocalyptic number.

It is an amenable number.

6193172644 is a deficient number, since it is larger than the sum of its proper divisors (4681871480).

6193172644 is a wasteful number, since it uses less digits than its factorization.

6193172644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284574 (or 5284572 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 6193172644 is about 78696.7130444468. The cubic root of 6193172644 is about 1836.4159759350.

The spelling of 6193172644 in words is "six billion, one hundred ninety-three million, one hundred seventy-two thousand, six hundred forty-four".