612832081697 has 4 divisors (see below), whose sum is σ = 668544089136. Its totient is φ = 557120074260.

The previous prime is 612832081651. The next prime is 612832081747. The reversal of 612832081697 is 796180238216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612832081697 - 2¹⁸ = 612831819553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612832081627) 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, 27856003703 + ... + 27856003724.

It is an arithmetic number, because the mean of its divisors is an integer number (167136022284).

Almost surely, 2^612832081697 is an apocalyptic number.

It is an amenable number.

612832081697 is a deficient number, since it is larger than the sum of its proper divisors (55712007439).

612832081697 is a wasteful number, since it uses less digits than its factorization.

612832081697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55712007438.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 612832081697 in words is "six hundred twelve billion, eight hundred thirty-two million, eighty-one thousand, six hundred ninety-seven".