6485442125650 has 12 divisors (see below), whose sum is σ = 12062922353802. Its totient is φ = 2594176850240.

The previous prime is 6485442125629. The next prime is 6485442125653. The reversal of 6485442125650 is 565212445846.

It can be written as a sum of positive squares in 3 ways, for example, as 5457321160281 + 1028120965369 = 2336091^2 + 1013963^2 .

It is not an unprimeable number, because it can be changed into a prime (6485442125653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64854421207 + ... + 64854421306.

Almost surely, 2^{6485442125650} is an apocalyptic number.

6485442125650 is a deficient number, since it is larger than the sum of its proper divisors (5577480228152).

6485442125650 is a wasteful number, since it uses less digits than its factorization.

6485442125650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129708842525 (or 129708842520 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 52.

The spelling of 6485442125650 in words is "six trillion, four hundred eighty-five billion, four hundred forty-two million, one hundred twenty-five thousand, six hundred fifty".