6457645797 has 8 divisors (see below), whose sum is σ = 8623842240. Its totient is φ = 4298273280.

The previous prime is 6457645717. The next prime is 6457645841. The reversal of 6457645797 is 7975467546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6457645797 - 2⁸ = 6457645541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6457645797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457645717) 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, 1703772 + ... + 1707557.

It is an arithmetic number, because the mean of its divisors is an integer number (1077980280).

Almost surely, 2^6457645797 is an apocalyptic number.

It is an amenable number.

6457645797 is a deficient number, since it is larger than the sum of its proper divisors (2166196443).

6457645797 is a wasteful number, since it uses less digits than its factorization.

6457645797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411963.

The product of its digits is 44452800, while the sum is 60.

The square root of 6457645797 is about 80359.4785759589. The cubic root of 6457645797 is about 1862.1932155514.

The spelling of 6457645797 in words is "six billion, four hundred fifty-seven million, six hundred forty-five thousand, seven hundred ninety-seven".