243090908214 has 32 divisors (see below), whose sum is σ = 606148759296. Its totient is φ = 63140495520.

The previous prime is 243090908171. The next prime is 243090908233. The reversal of 243090908214 is 412809090342.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263084937 + ... + 263085860.

It is an arithmetic number, because the mean of its divisors is an integer number (18942148728).

Almost surely, 2^243090908214 is an apocalyptic number.

243090908214 is an abundant number, since it is smaller than the sum of its proper divisors (363057851082).

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

243090908214 is a wasteful number, since it uses less digits than its factorization.

243090908214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526170820.

The product of its (nonzero) digits is 124416, while the sum is 42.

Adding to 243090908214 its reverse (412809090342), we get a palindrome (655899998556).

The spelling of 243090908214 in words is "two hundred forty-three billion, ninety million, nine hundred eight thousand, two hundred fourteen".