6470562613640 has 16 divisors (see below), whose sum is σ = 14558765880780. Its totient is φ = 2588225045440.

The previous prime is 6470562613591. The next prime is 6470562613649. The reversal of 6470562613640 is 463162650746.

It can be written as a sum of positive squares in 2 ways, for example, as 5827714652356 + 642847961284 = 2414066^2 + 801778^2 .

It is not an unprimeable number, because it can be changed into a prime (6470562613649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80882032631 + ... + 80882032710.

Almost surely, 2^{6470562613640} is an apocalyptic number.

It is an amenable number.

6470562613640 is an abundant number, since it is smaller than the sum of its proper divisors (8088203267140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6470562613640 is a wasteful number, since it uses less digits than its factorization.

6470562613640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161764065352 (or 161764065348 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 6470562613640 in words is "six trillion, four hundred seventy billion, five hundred sixty-two million, six hundred thirteen thousand, six hundred forty".