649521485106 has 32 divisors (see below), whose sum is σ = 1409180830848. Its totient is φ = 198393982080.

The previous prime is 649521485003. The next prime is 649521485113. The reversal of 649521485106 is 601584125946.

It is a super-2 number, since 2×649521485106² (a number of 24 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 in 15 ways as a sum of consecutive naturals, for example, 30380550 + ... + 30401921.

It is an arithmetic number, because the mean of its divisors is an integer number (44036900964).

Almost surely, 2^649521485106 is an apocalyptic number.

649521485106 is an abundant number, since it is smaller than the sum of its proper divisors (759659345742).

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

649521485106 is a wasteful number, since it uses less digits than its factorization.

649521485106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60782626.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 649521485106 in words is "six hundred forty-nine billion, five hundred twenty-one million, four hundred eighty-five thousand, one hundred six".