461515423643 has 4 divisors (see below), whose sum is σ = 467837552808. Its totient is φ = 455193294480.

The previous prime is 461515423601. The next prime is 461515423667. The reversal of 461515423643 is 346324515164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461515423643 - 2²² = 461511229339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461515423594 and 461515423603.

It is not an unprimeable number, because it can be changed into a prime (461515423843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161064473 + ... + 3161064618.

It is an arithmetic number, because the mean of its divisors is an integer number (116959388202).

Almost surely, 2^461515423643 is an apocalyptic number.

461515423643 is a deficient number, since it is larger than the sum of its proper divisors (6322129165).

461515423643 is an equidigital number, since it uses as much as digits as its factorization.

461515423643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322129164.

The product of its digits is 1036800, while the sum is 44.

The spelling of 461515423643 in words is "four hundred sixty-one billion, five hundred fifteen million, four hundred twenty-three thousand, six hundred forty-three".