612231464533 has 16 divisors (see below), whose sum is σ = 661972671360. Its totient is φ = 562869238464.

The previous prime is 612231464347. The next prime is 612231464539. The reversal of 612231464533 is 335464132216.

It is not a de Polignac number, because 612231464533 - 2²⁵ = 612197910101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612231464539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19003803 + ... + 19035991.

It is an arithmetic number, because the mean of its divisors is an integer number (41373291960).

Almost surely, 2^612231464533 is an apocalyptic number.

It is an amenable number.

612231464533 is a deficient number, since it is larger than the sum of its proper divisors (49741206827).

612231464533 is a wasteful number, since it uses less digits than its factorization.

612231464533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38028.

The product of its digits is 311040, while the sum is 40.

Adding to 612231464533 its reverse (335464132216), we get a palindrome (947695596749).

The spelling of 612231464533 in words is "six hundred twelve billion, two hundred thirty-one million, four hundred sixty-four thousand, five hundred thirty-three".