650498613 has 4 divisors (see below), whose sum is σ = 867331488. Its totient is φ = 433665740.

The previous prime is 650498609. The next prime is 650498621. The reversal of 650498613 is 316894056.

650498613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650498613 - 2² = 650498609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650498603) 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, 108416433 + ... + 108416438.

It is an arithmetic number, because the mean of its divisors is an integer number (216832872).

Almost surely, 2^650498613 is an apocalyptic number.

It is an amenable number.

650498613 is a deficient number, since it is larger than the sum of its proper divisors (216832875).

650498613 is a wasteful number, since it uses less digits than its factorization.

650498613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216832874.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 650498613 is about 25504.8742988473. The cubic root of 650498613 is about 866.4605451794.

The spelling of 650498613 in words is "six hundred fifty million, four hundred ninety-eight thousand, six hundred thirteen".