650106521613 has 8 divisors (see below), whose sum is σ = 963120772800. Its totient is φ = 433404347724.

The previous prime is 650106521563. The next prime is 650106521639. The reversal of 650106521613 is 316125601056.

650106521613 is a `hidden beast` number, since 6 + 5 + 0 + 10 + 6 + 5 + 21 + 613 = 666.

650106521613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 650106521613 - 2⁹ = 650106521101 is a prime.

It is a super-2 number, since 2×650106521613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650106521663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12039009633 + ... + 12039009686.

It is an arithmetic number, because the mean of its divisors is an integer number (120390096600).

Almost surely, 2^650106521613 is an apocalyptic number.

It is an amenable number.

650106521613 is a deficient number, since it is larger than the sum of its proper divisors (313014251187).

650106521613 is a wasteful number, since it uses less digits than its factorization.

650106521613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24078019328 (or 24078019322 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 650106521613 in words is "six hundred fifty billion, one hundred six million, five hundred twenty-one thousand, six hundred thirteen".