641012465513 has 8 divisors (see below), whose sum is σ = 746408046528. Its totient is φ = 539072477424.

The previous prime is 641012465479. The next prime is 641012465521. The reversal of 641012465513 is 315564210146.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641012465513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (641012465573) 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, 863897831 + ... + 863898572.

It is an arithmetic number, because the mean of its divisors is an integer number (93301005816).

Almost surely, 2^641012465513 is an apocalyptic number.

It is an amenable number.

641012465513 is a deficient number, since it is larger than the sum of its proper divisors (105395581015).

641012465513 is a wasteful number, since it uses less digits than its factorization.

641012465513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727796463.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 641012465513 its reverse (315564210146), we get a palindrome (956576675659).

The spelling of 641012465513 in words is "six hundred forty-one billion, twelve million, four hundred sixty-five thousand, five hundred thirteen".