243441099967 has 16 divisors (see below), whose sum is σ = 262999941120. Its totient is φ = 224001872352.

The previous prime is 243441099907. The next prime is 243441099991. The reversal of 243441099967 is 769990144342.

It is a cyclic number.

It is not a de Polignac number, because 243441099967 - 2¹¹ = 243441097919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441099907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9482134 + ... + 9507772.

It is an arithmetic number, because the mean of its divisors is an integer number (16437496320).

Almost surely, 2^243441099967 is an apocalyptic number.

243441099967 is a deficient number, since it is larger than the sum of its proper divisors (19558841153).

243441099967 is a wasteful number, since it uses less digits than its factorization.

243441099967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27942.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 243441099967 in words is "two hundred forty-three billion, four hundred forty-one million, ninety-nine thousand, nine hundred sixty-seven".