650963139 has 8 divisors (see below), whose sum is σ = 869851920. Its totient is φ = 433024896.

The previous prime is 650963083. The next prime is 650963143. The reversal of 650963139 is 931369056.

650963139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 650963139 - 2⁸ = 650962883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650963139.

It is not an unprimeable number, because it can be changed into a prime (650963149) 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, 236034 + ... + 238775.

It is an arithmetic number, because the mean of its divisors is an integer number (108731490).

Almost surely, 2^650963139 is an apocalyptic number.

650963139 is a deficient number, since it is larger than the sum of its proper divisors (218888781).

650963139 is a wasteful number, since it uses less digits than its factorization.

650963139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475269.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 650963139 is about 25513.9792858739. The cubic root of 650963139 is about 866.6667447896. Note that the first 3 decimals are identical.

The spelling of 650963139 in words is "six hundred fifty million, nine hundred sixty-three thousand, one hundred thirty-nine".