461245144641 has 4 divisors (see below), whose sum is σ = 614993526192. Its totient is φ = 307496763092.

The previous prime is 461245144639. The next prime is 461245144663. The reversal of 461245144641 is 146441542164.

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 461245144641 - 2¹ = 461245144639 is a prime.

It is a super-2 number, since 2×461245144641² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461245144593 and 461245144602.

It is not an unprimeable number, because it can be changed into a prime (461245144601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76874190771 + ... + 76874190776.

It is an arithmetic number, because the mean of its divisors is an integer number (153748381548).

Almost surely, 2^461245144641 is an apocalyptic number.

It is an amenable number.

461245144641 is a deficient number, since it is larger than the sum of its proper divisors (153748381551).

461245144641 is a wasteful number, since it uses less digits than its factorization.

461245144641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153748381550.

The product of its digits is 368640, while the sum is 42.

The spelling of 461245144641 in words is "four hundred sixty-one billion, two hundred forty-five million, one hundred forty-four thousand, six hundred forty-one".