641230337461 has 8 divisors (see below), whose sum is σ = 732858204800. Its totient is φ = 549608353488.

The previous prime is 641230337437. The next prime is 641230337467. The reversal of 641230337461 is 164733032146.

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-641230337461 is a prime.

It is a super-2 number, since 2×641230337461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641230337467) 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, 1234761 + ... + 1675438.

It is an arithmetic number, because the mean of its divisors is an integer number (91607275600).

Almost surely, 2^641230337461 is an apocalyptic number.

It is an amenable number.

641230337461 is a deficient number, since it is larger than the sum of its proper divisors (91627867339).

641230337461 is a wasteful number, since it uses less digits than its factorization.

641230337461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941683.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 641230337461 in words is "six hundred forty-one billion, two hundred thirty million, three hundred thirty-seven thousand, four hundred sixty-one".