243351554050 has 48 divisors (see below), whose sum is σ = 515251253952. Its totient is φ = 84644014400.

The previous prime is 243351554029. The next prime is 243351554057. The reversal of 243351554050 is 50455153342.

It is not an unprimeable number, because it can be changed into a prime (243351554057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9605989 + ... + 9631288.

It is an arithmetic number, because the mean of its divisors is an integer number (10734401124).

Almost surely, 2^243351554050 is an apocalyptic number.

243351554050 is an abundant number, since it is smaller than the sum of its proper divisors (271899699902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243351554050 is a wasteful number, since it uses less digits than its factorization.

243351554050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19237323 (or 19237318 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

It can be divided in two parts, 2433515 and 54050, that added together give a triangular number (2487565 = T₂₂₃₀).

The spelling of 243351554050 in words is "two hundred forty-three billion, three hundred fifty-one million, five hundred fifty-four thousand, fifty".