650432634131 has 4 divisors (see below), whose sum is σ = 743351581872. Its totient is φ = 557513686392.

The previous prime is 650432634113. The next prime is 650432634133. The reversal of 650432634131 is 131436234056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650432634131 is a prime.

It is a super-2 number, since 2×650432634131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650432634133) 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, 46459473860 + ... + 46459473873.

It is an arithmetic number, because the mean of its divisors is an integer number (185837895468).

Almost surely, 2^650432634131 is an apocalyptic number.

650432634131 is a deficient number, since it is larger than the sum of its proper divisors (92918947741).

650432634131 is an equidigital number, since it uses as much as digits as its factorization.

650432634131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92918947740.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 650432634131 its reverse (131436234056), we get a palindrome (781868868187).

The spelling of 650432634131 in words is "six hundred fifty billion, four hundred thirty-two million, six hundred thirty-four thousand, one hundred thirty-one".