612233894445 has 16 divisors (see below), whose sum is σ = 979584114240. Its totient is φ = 326521449344.

The previous prime is 612233894443. The next prime is 612233894497. The reversal of 612233894445 is 544498332216.

It is a cyclic number.

It is not a de Polignac number, because 612233894445 - 2¹ = 612233894443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612233894443) 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, 2369722 + ... + 2615348.

It is an arithmetic number, because the mean of its divisors is an integer number (61224007140).

Almost surely, 2^612233894445 is an apocalyptic number.

It is an amenable number.

612233894445 is a deficient number, since it is larger than the sum of its proper divisors (367350219795).

612233894445 is a wasteful number, since it uses less digits than its factorization.

612233894445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411804.

The product of its digits is 4976640, while the sum is 51.

The spelling of 612233894445 in words is "six hundred twelve billion, two hundred thirty-three million, eight hundred ninety-four thousand, four hundred forty-five".