646023051446041 has 4 divisors (see below), whose sum is σ = 646630787149312. Its totient is φ = 645415315742772.

The previous prime is 646023051446039. The next prime is 646023051446063. The reversal of 646023051446041 is 140644150320646.

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 646023051446041 - 2¹ = 646023051446039 is a prime.

It is a super-2 number, since 2×646023051446041² (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 = 646023051445982 and 646023051446000.

It is not an unprimeable number, because it can be changed into a prime (646023051446011) 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, 303867850041 + ... + 303867852166.

It is an arithmetic number, because the mean of its divisors is an integer number (161657696787328).

Almost surely, 2^{646023051446041} is an apocalyptic number.

It is an amenable number.

646023051446041 is a deficient number, since it is larger than the sum of its proper divisors (607735703271).

646023051446041 is a wasteful number, since it uses less digits than its factorization.

646023051446041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607735703270.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 646023051446041 in words is "six hundred forty-six trillion, twenty-three billion, fifty-one million, four hundred forty-six thousand, forty-one".