612534740563244 has 6 divisors (see below), whose sum is σ = 1071935795985684. Its totient is φ = 306267370281620.

The previous prime is 612534740563189. The next prime is 612534740563271. The reversal of 612534740563244 is 442365047435216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 612534740563244.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76566842570402 + ... + 76566842570409.

It is an arithmetic number, because the mean of its divisors is an integer number (178655965997614).

Almost surely, 2^{612534740563244} is an apocalyptic number.

It is an amenable number.

612534740563244 is a deficient number, since it is larger than the sum of its proper divisors (459401055422440).

612534740563244 is a wasteful number, since it uses less digits than its factorization.

612534740563244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153133685140815 (or 153133685140813 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 56.

The spelling of 612534740563244 in words is "six hundred twelve trillion, five hundred thirty-four billion, seven hundred forty million, five hundred sixty-three thousand, two hundred forty-four".