461243444152621 has 8 divisors (see below), whose sum is σ = 496755999734400. Its totient is φ = 425735501520432.

The previous prime is 461243444152619. The next prime is 461243444152657. The reversal of 461243444152621 is 126251444342164.

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 461243444152621 - 2¹ = 461243444152619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461243444252621) 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, 1153029721 + ... + 1153429678.

It is an arithmetic number, because the mean of its divisors is an integer number (62094499966800).

Almost surely, 2^{461243444152621} is an apocalyptic number.

It is an amenable number.

461243444152621 is a deficient number, since it is larger than the sum of its proper divisors (35512555581779).

461243444152621 is a wasteful number, since it uses less digits than its factorization.

461243444152621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306474795.

The product of its digits is 4423680, while the sum is 49.

Adding to 461243444152621 its reverse (126251444342164), we get a palindrome (587494888494785).

The spelling of 461243444152621 in words is "four hundred sixty-one trillion, two hundred forty-three billion, four hundred forty-four million, one hundred fifty-two thousand, six hundred twenty-one".