6396720573 has 16 divisors (see below), whose sum is σ = 8705226816. Its totient is φ = 4176631680.

The previous prime is 6396720571. The next prime is 6396720593. The reversal of 6396720573 is 3750276936.

It is not a de Polignac number, because 6396720573 - 2¹ = 6396720571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396720571) 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, 55561 + ... + 126017.

It is an arithmetic number, because the mean of its divisors is an integer number (544076676).

Almost surely, 2^6396720573 is an apocalyptic number.

It is an amenable number.

6396720573 is a deficient number, since it is larger than the sum of its proper divisors (2308506243).

6396720573 is a wasteful number, since it uses less digits than its factorization.

6396720573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71084.

The product of its (nonzero) digits is 1428840, while the sum is 48.

The square root of 6396720573 is about 79979.5009549322. The cubic root of 6396720573 is about 1856.3183594365.

The spelling of 6396720573 in words is "six billion, three hundred ninety-six million, seven hundred twenty thousand, five hundred seventy-three".