243776413461 has 8 divisors (see below), whose sum is σ = 371468820544. Its totient is φ = 139300807680.

The previous prime is 243776413457. The next prime is 243776413483. The reversal of 243776413461 is 164314677342.

243776413461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243776413461 - 2² = 243776413457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243776413461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243776413261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804200300 + ... + 5804200341.

It is an arithmetic number, because the mean of its divisors is an integer number (46433602568).

Almost surely, 2^243776413461 is an apocalyptic number.

243776413461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243776413461 is a deficient number, since it is larger than the sum of its proper divisors (127692407083).

243776413461 is a wasteful number, since it uses less digits than its factorization.

243776413461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608400651.

The product of its digits is 2032128, while the sum is 48.

The spelling of 243776413461 in words is "two hundred forty-three billion, seven hundred seventy-six million, four hundred thirteen thousand, four hundred sixty-one".