461623465808 has 10 divisors (see below), whose sum is σ = 894395465034. Its totient is φ = 230811732896.

The previous prime is 461623465799. The next prime is 461623465811. The reversal of 461623465808 is 808564326164.

It can be written as a sum of positive squares in only one way, i.e., 263694574144 + 197928891664 = 513512^2 + 444892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 461623465808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425733291 + ... + 14425733322.

Almost surely, 2^461623465808 is an apocalyptic number.

It is an amenable number.

461623465808 is a deficient number, since it is larger than the sum of its proper divisors (432771999226).

461623465808 is a wasteful number, since it uses less digits than its factorization.

461623465808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851466621 (or 28851466615 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 461623465808 in words is "four hundred sixty-one billion, six hundred twenty-three million, four hundred sixty-five thousand, eight hundred eight".