6500137523602 has 4 divisors (see below), whose sum is σ = 9750206285406. Its totient is φ = 3250068761800.

The previous prime is 6500137523587. The next prime is 6500137523611. The reversal of 6500137523602 is 2063257310056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3960860216481 + 2539277307121 = 1990191^2 + 1593511^2 .

It is a super-2 number, since 2×6500137523602² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625034380899 + ... + 1625034380902.

Almost surely, 2^{6500137523602} is an apocalyptic number.

6500137523602 is a deficient number, since it is larger than the sum of its proper divisors (3250068761804).

6500137523602 is a wasteful number, since it uses less digits than its factorization.

6500137523602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250068761803.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 6500137523602 in words is "six trillion, five hundred billion, one hundred thirty-seven million, five hundred twenty-three thousand, six hundred two".