612434203636655 has 8 divisors (see below), whose sum is σ = 734921337390912. Its totient is φ = 489947167558048.

The previous prime is 612434203636643. The next prime is 612434203636663. The reversal of 612434203636655 is 556636302434216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612434203636655 - 2¹⁶ = 612434203571119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612434203636655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9832652 + ... + 36353121.

It is an arithmetic number, because the mean of its divisors is an integer number (91865167173864).

Almost surely, 2^{612434203636655} is an apocalyptic number.

612434203636655 is a deficient number, since it is larger than the sum of its proper divisors (122487133754257).

612434203636655 is a wasteful number, since it uses less digits than its factorization.

612434203636655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48837825.

The product of its (nonzero) digits is 55987200, while the sum is 56.

The spelling of 612434203636655 in words is "six hundred twelve trillion, four hundred thirty-four billion, two hundred three million, six hundred thirty-six thousand, six hundred fifty-five".