650654253153623 has 4 divisors (see below), whose sum is σ = 650654778696768. Its totient is φ = 650653727610480.

The previous prime is 650654253153617. The next prime is 650654253153659. The reversal of 650654253153623 is 326351352456056.

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 650654253153623 - 2¹⁶ = 650654253088087 is a prime.

It is a super-2 number, since 2×650654253153623² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650654253153823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260910086 + ... + 263392067.

It is an arithmetic number, because the mean of its divisors is an integer number (162663694674192).

Almost surely, 2^{650654253153623} is an apocalyptic number.

650654253153623 is a deficient number, since it is larger than the sum of its proper divisors (525543145).

650654253153623 is a wasteful number, since it uses less digits than its factorization.

650654253153623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525543144.

The product of its (nonzero) digits is 58320000, while the sum is 56.

The spelling of 650654253153623 in words is "six hundred fifty trillion, six hundred fifty-four billion, two hundred fifty-three million, one hundred fifty-three thousand, six hundred twenty-three".