612119983 has 4 divisors (see below), whose sum is σ = 617537088. Its totient is φ = 606702880.

The previous prime is 612119939. The next prime is 612119993. The reversal of 612119983 is 389911216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612119983 - 2²⁵ = 578565551 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612119993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708383 + ... + 2708608.

It is an arithmetic number, because the mean of its divisors is an integer number (154384272).

Almost surely, 2^612119983 is an apocalyptic number.

612119983 is a deficient number, since it is larger than the sum of its proper divisors (5417105).

612119983 is a wasteful number, since it uses less digits than its factorization.

612119983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417104.

The product of its digits is 23328, while the sum is 40.

The square root of 612119983 is about 24741.0586475195. The cubic root of 612119983 is about 849.0739547944.

The spelling of 612119983 in words is "six hundred twelve million, one hundred nineteen thousand, nine hundred eighty-three".