646124411441 has 8 divisors (see below), whose sum is σ = 659884422144. Its totient is φ = 632364929280.

The previous prime is 646124411437. The next prime is 646124411483. The reversal of 646124411441 is 144114421646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 646124411441 - 2² = 646124411437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 646124411395 and 646124411404.

It is not an unprimeable number, because it can be changed into a prime (646124411341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3251456 + ... + 3444446.

It is an arithmetic number, because the mean of its divisors is an integer number (82485552768).

Almost surely, 2^646124411441 is an apocalyptic number.

It is an amenable number.

646124411441 is a deficient number, since it is larger than the sum of its proper divisors (13760010703).

646124411441 is a wasteful number, since it uses less digits than its factorization.

646124411441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264271.

The product of its digits is 73728, while the sum is 38.

The spelling of 646124411441 in words is "six hundred forty-six billion, one hundred twenty-four million, four hundred eleven thousand, four hundred forty-one".