243219948092 has 24 divisors (see below), whose sum is σ = 465573873072. Its totient is φ = 110258121600.

The previous prime is 243219948091. The next prime is 243219948133. The reversal of 243219948092 is 290849912342.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243219948091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7393409 + ... + 7426232.

It is an arithmetic number, because the mean of its divisors is an integer number (19398911378).

Almost surely, 2^243219948092 is an apocalyptic number.

243219948092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243219948092 is a deficient number, since it is larger than the sum of its proper divisors (222353924980).

243219948092 is a wasteful number, since it uses less digits than its factorization.

243219948092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14820029 (or 14820027 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 243219948092 in words is "two hundred forty-three billion, two hundred nineteen million, nine hundred forty-eight thousand, ninety-two".