612311605046641 has 4 divisors (see below), whose sum is σ = 612553529823984. Its totient is φ = 612069680269300.

The previous prime is 612311605046623. The next prime is 612311605046707. The reversal of 612311605046641 is 146640506113216.

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 612311605046641 - 2²³ = 612311596658033 is a prime.

It is a super-2 number, since 2×612311605046641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612311605046591 and 612311605046600.

It is not an unprimeable number, because it can be changed into a prime (612311605046611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120962384875 + ... + 120962389936.

It is an arithmetic number, because the mean of its divisors is an integer number (153138382455996).

Almost surely, 2^{612311605046641} is an apocalyptic number.

It is an amenable number.

612311605046641 is a deficient number, since it is larger than the sum of its proper divisors (241924777343).

612311605046641 is a wasteful number, since it uses less digits than its factorization.

612311605046641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241924777342.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 612311605046641 in words is "six hundred twelve trillion, three hundred eleven billion, six hundred five million, forty-six thousand, six hundred forty-one".