650021319023 has 4 divisors (see below), whose sum is σ = 665138093928. Its totient is φ = 634904544120.

The previous prime is 650021318993. The next prime is 650021319061. The reversal of 650021319023 is 320913120056.

650021319023 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.

It is a cyclic number.

It is not a de Polignac number, because 650021319023 - 2⁶ = 650021318959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650021319223) 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, 7558387388 + ... + 7558387473.

It is an arithmetic number, because the mean of its divisors is an integer number (166284523482).

Almost surely, 2^650021319023 is an apocalyptic number.

650021319023 is a deficient number, since it is larger than the sum of its proper divisors (15116774905).

650021319023 is a wasteful number, since it uses less digits than its factorization.

650021319023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15116774904.

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 650021319023 its reverse (320913120056), we get a palindrome (970934439079).

The spelling of 650021319023 in words is "six hundred fifty billion, twenty-one million, three hundred nineteen thousand, twenty-three".