650139370236 has 36 divisors (see below), whose sum is σ = 1655952962664. Its totient is φ = 215058823200.

The previous prime is 650139370201. The next prime is 650139370241. The reversal of 650139370236 is 632073931056.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 650139370191 and 650139370200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68924395 + ... + 68933826.

Almost surely, 2^650139370236 is an apocalyptic number.

It is an amenable number.

650139370236 is an abundant number, since it is smaller than the sum of its proper divisors (1005813592428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650139370236 is a wasteful number, since it uses less digits than its factorization.

650139370236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137858362 (or 137858357 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The spelling of 650139370236 in words is "six hundred fifty billion, one hundred thirty-nine million, three hundred seventy thousand, two hundred thirty-six".