243441099479 has 2 divisors, whose sum is σ = 243441099480. Its totient is φ = 243441099478.

The previous prime is 243441099427. The next prime is 243441099481. The reversal of 243441099479 is 974990144342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243441099479 - 2²⁸ = 243172664023 is a prime.

Together with 243441099481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243441099779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121720549739 + 121720549740.

It is an arithmetic number, because the mean of its divisors is an integer number (121720549740).

Almost surely, 2^243441099479 is an apocalyptic number.

243441099479 is a deficient number, since it is larger than the sum of its proper divisors (1).

243441099479 is an equidigital number, since it uses as much as digits as its factorization.

243441099479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 243441099479 in words is "two hundred forty-three billion, four hundred forty-one million, ninety-nine thousand, four hundred seventy-nine".