999999234622461 has 32 divisors (see below), whose sum is σ = 1398806910312448. Its totient is φ = 634657344361920.

The previous prime is 999999234622433. The next prime is 999999234622471. The reversal of 999999234622461 is 164226432999999.

It is not a de Polignac number, because 999999234622461 - 2²² = 999999230428157 is a prime.

It is the 31622765-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999234622471) by changing a digit.

It is a nontrivial repunit in base 31622764.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105846790 + ... + 114906663.

It is an arithmetic number, because the mean of its divisors is an integer number (43712715947264).

Almost surely, 2^{999999234622461} is an apocalyptic number.

It is an amenable number.

999999234622461 is a deficient number, since it is larger than the sum of its proper divisors (398807675689987).

999999234622461 is a wasteful number, since it uses less digits than its factorization.

999999234622461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220754281.

The product of its digits is 7346640384, while the sum is 84.

The spelling of 999999234622461 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, two hundred thirty-four million, six hundred twenty-two thousand, four hundred sixty-one".