6457645004 has 6 divisors (see below), whose sum is σ = 11300878764. Its totient is φ = 3228822500.

The previous prime is 6457645003. The next prime is 6457645091. The reversal of 6457645004 is 4005467546.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6457645003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807205622 + ... + 807205629.

It is an arithmetic number, because the mean of its divisors is an integer number (1883479794).

Almost surely, 2^6457645004 is an apocalyptic number.

It is an amenable number.

6457645004 is a deficient number, since it is larger than the sum of its proper divisors (4843233760).

6457645004 is a wasteful number, since it uses less digits than its factorization.

6457645004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614411255 (or 1614411253 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 6457645004 is about 80359.4736418800. The cubic root of 6457645004 is about 1862.1931393255.

The spelling of 6457645004 in words is "six billion, four hundred fifty-seven million, six hundred forty-five thousand, four".