243413877955 has 16 divisors (see below), whose sum is σ = 306480492864. Its totient is φ = 185235431040.

The previous prime is 243413877943. The next prime is 243413878039. The reversal of 243413877955 is 559778314342.

It is not a de Polignac number, because 243413877955 - 2⁵ = 243413877923 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 243413877955.

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, 5826264 + ... + 5867893.

It is an arithmetic number, because the mean of its divisors is an integer number (19155030804).

Almost surely, 2^243413877955 is an apocalyptic number.

243413877955 is a deficient number, since it is larger than the sum of its proper divisors (63066614909).

243413877955 is a wasteful number, since it uses less digits than its factorization.

243413877955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694366.

The product of its digits is 25401600, while the sum is 58.

The spelling of 243413877955 in words is "two hundred forty-three billion, four hundred thirteen million, eight hundred seventy-seven thousand, nine hundred fifty-five".