461623465815 has 16 divisors (see below), whose sum is σ = 777471100800. Its totient is φ = 233241329952.

The previous prime is 461623465811. The next prime is 461623465817. The reversal of 461623465815 is 518564326164.

It is not a de Polignac number, because 461623465815 - 2² = 461623465811 is a prime.

It is a super-2 number, since 2×461623465815² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461623465811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809865445 + ... + 809866014.

It is an arithmetic number, because the mean of its divisors is an integer number (48591943800).

Almost surely, 2^461623465815 is an apocalyptic number.

461623465815 is a deficient number, since it is larger than the sum of its proper divisors (315847634985).

461623465815 is a wasteful number, since it uses less digits than its factorization.

461623465815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619731486.

The product of its digits is 4147200, while the sum is 51.

The spelling of 461623465815 in words is "four hundred sixty-one billion, six hundred twenty-three million, four hundred sixty-five thousand, eight hundred fifteen".