650631323531534 has 4 divisors (see below), whose sum is σ = 975946985297304. Its totient is φ = 325315661765766.

The previous prime is 650631323531531. The next prime is 650631323531543. The reversal of 650631323531534 is 435135323136056.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×650631323531534² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650631323531531) 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 as a sum of consecutive naturals, namely, 162657830882882 + ... + 162657830882885.

It is an arithmetic number, because the mean of its divisors is an integer number (243986746324326).

Almost surely, 2^{650631323531534} is an apocalyptic number.

650631323531534 is a deficient number, since it is larger than the sum of its proper divisors (325315661765770).

650631323531534 is a wasteful number, since it uses less digits than its factorization.

650631323531534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325315661765769.

The product of its (nonzero) digits is 8748000, while the sum is 50.

The spelling of 650631323531534 in words is "six hundred fifty trillion, six hundred thirty-one billion, three hundred twenty-three million, five hundred thirty-one thousand, five hundred thirty-four".