243127411550654 has 4 divisors (see below), whose sum is σ = 364691117325984. Its totient is φ = 121563705775326.

The previous prime is 243127411550587. The next prime is 243127411550773. The reversal of 243127411550654 is 456055114721342.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×243127411550654² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60781852887662 + ... + 60781852887665.

It is an arithmetic number, because the mean of its divisors is an integer number (91172779331496).

Almost surely, 2^{243127411550654} is an apocalyptic number.

243127411550654 is a deficient number, since it is larger than the sum of its proper divisors (121563705775330).

243127411550654 is a wasteful number, since it uses less digits than its factorization.

243127411550654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121563705775329.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 243127411550654 in words is "two hundred forty-three trillion, one hundred twenty-seven billion, four hundred eleven million, five hundred fifty thousand, six hundred fifty-four".