6457070645 has 24 divisors (see below), whose sum is σ = 8245528800. Its totient is φ = 4853267712.

The previous prime is 6457070629. The next prime is 6457070657. The reversal of 6457070645 is 5460707546.

It is not a de Polignac number, because 6457070645 - 2⁴ = 6457070629 is a prime.

It is a super-2 number, since 2×6457070645² = 83387522629041432050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6457070596 and 6457070605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890846 + ... + 898064.

It is an arithmetic number, because the mean of its divisors is an integer number (343563700).

Almost surely, 2^6457070645 is an apocalyptic number.

It is an amenable number.

6457070645 is a deficient number, since it is larger than the sum of its proper divisors (1788458155).

6457070645 is a wasteful number, since it uses less digits than its factorization.

6457070645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877 (or 7860 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 6457070645 is about 80355.8998767359. The cubic root of 6457070645 is about 1862.1379283263.

The spelling of 6457070645 in words is "six billion, four hundred fifty-seven million, seventy thousand, six hundred forty-five".