612839072289 has 4 divisors (see below), whose sum is σ = 817118763056. Its totient is φ = 408559381524.

The previous prime is 612839072257. The next prime is 612839072299. The reversal of 612839072289 is 982270938216.

It is a happy number.

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 not a de Polignac number, because 612839072289 - 2⁵ = 612839072257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612839072249) 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, 102139845379 + ... + 102139845384.

It is an arithmetic number, because the mean of its divisors is an integer number (204279690764).

Almost surely, 2^612839072289 is an apocalyptic number.

It is an amenable number.

612839072289 is a deficient number, since it is larger than the sum of its proper divisors (204279690767).

612839072289 is a wasteful number, since it uses less digits than its factorization.

612839072289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204279690766.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 612839072289 in words is "six hundred twelve billion, eight hundred thirty-nine million, seventy-two thousand, two hundred eighty-nine".