242965902547 has 2 divisors, whose sum is σ = 242965902548. Its totient is φ = 242965902546.

The previous prime is 242965902533. The next prime is 242965902709. The reversal of 242965902547 is 745209569242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242965902547 is a prime.

It is not a weakly prime, because it can be changed into another prime (242965903547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121482951273 + 121482951274.

It is an arithmetic number, because the mean of its divisors is an integer number (121482951274).

Almost surely, 2^242965902547 is an apocalyptic number.

242965902547 is a deficient number, since it is larger than the sum of its proper divisors (1).

242965902547 is an equidigital number, since it uses as much as digits as its factorization.

242965902547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 242965902547 in words is "two hundred forty-two billion, nine hundred sixty-five million, nine hundred two thousand, five hundred forty-seven".