6273144645 has 16 divisors (see below), whose sum is σ = 10038158592. Its totient is φ = 3345301440.

The previous prime is 6273144589. The next prime is 6273144677. The reversal of 6273144645 is 5464413726.

It is a happy number.

It is not a de Polignac number, because 6273144645 - 2¹¹ = 6273142597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6273144597 and 6273144606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161604 + ... + 196626.

It is an arithmetic number, because the mean of its divisors is an integer number (627384912).

Almost surely, 2^6273144645 is an apocalyptic number.

It is an amenable number.

6273144645 is a deficient number, since it is larger than the sum of its proper divisors (3765013947).

6273144645 is a wasteful number, since it uses less digits than its factorization.

6273144645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46972.

The product of its digits is 483840, while the sum is 42.

The square root of 6273144645 is about 79203.1858260765. The cubic root of 6273144645 is about 1844.2866977724.

The spelling of 6273144645 in words is "six billion, two hundred seventy-three million, one hundred forty-four thousand, six hundred forty-five".