461623158547 has 4 divisors (see below), whose sum is σ = 485919114280. Its totient is φ = 437327202816.

The previous prime is 461623158511. The next prime is 461623158613. The reversal of 461623158547 is 745851326164.

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 461623158547 - 2⁷ = 461623158419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461623158494 and 461623158503.

It is not an unprimeable number, because it can be changed into a prime (461623158247) 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, 12147977838 + ... + 12147977875.

It is an arithmetic number, because the mean of its divisors is an integer number (121479778570).

Almost surely, 2^461623158547 is an apocalyptic number.

461623158547 is a deficient number, since it is larger than the sum of its proper divisors (24295955733).

461623158547 is a wasteful number, since it uses less digits than its factorization.

461623158547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24295955732.

The product of its digits is 4838400, while the sum is 52.

The spelling of 461623158547 in words is "four hundred sixty-one billion, six hundred twenty-three million, one hundred fifty-eight thousand, five hundred forty-seven".