461312639999 has 16 divisors (see below), whose sum is σ = 489928733280. Its totient is φ = 432862341120.

The previous prime is 461312639987. The next prime is 461312640031. The reversal of 461312639999 is 999936213164.

It is a Cunningham number, because it is equal to 679200²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461312639999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461312639929) 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, 11526407 + ... + 11566359.

It is an arithmetic number, because the mean of its divisors is an integer number (30620545830).

Almost surely, 2^461312639999 is an apocalyptic number.

461312639999 is a deficient number, since it is larger than the sum of its proper divisors (28616093281).

461312639999 is a wasteful number, since it uses less digits than its factorization.

461312639999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42010.

The product of its digits is 17006112, while the sum is 62.

The spelling of 461312639999 in words is "four hundred sixty-one billion, three hundred twelve million, six hundred thirty-nine thousand, nine hundred ninety-nine".