6445106273722 has 16 divisors (see below), whose sum is σ = 9791711763840. Its totient is φ = 3181216326912.

The previous prime is 6445106273689. The next prime is 6445106273729. The reversal of 6445106273722 is 2273726015446.

It is not an unprimeable number, because it can be changed into a prime (6445106273729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567463 + ... + 4413850.

It is an arithmetic number, because the mean of its divisors is an integer number (611981985240).

Almost surely, 2^{6445106273722} is an apocalyptic number.

6445106273722 is a deficient number, since it is larger than the sum of its proper divisors (3346605490118).

6445106273722 is a wasteful number, since it uses less digits than its factorization.

6445106273722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987237.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 6445106273722 in words is "six trillion, four hundred forty-five billion, one hundred six million, two hundred seventy-three thousand, seven hundred twenty-two".