242544455051 has 2 divisors, whose sum is σ = 242544455052. Its totient is φ = 242544455050.

The previous prime is 242544455033. The next prime is 242544455059. The reversal of 242544455051 is 150554445242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242544455051 is a prime.

It is not a weakly prime, because it can be changed into another prime (242544455059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121272227525 + 121272227526.

It is an arithmetic number, because the mean of its divisors is an integer number (121272227526).

Almost surely, 2^242544455051 is an apocalyptic number.

242544455051 is a deficient number, since it is larger than the sum of its proper divisors (1).

242544455051 is an equidigital number, since it uses as much as digits as its factorization.

242544455051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 242544455051 in words is "two hundred forty-two billion, five hundred forty-four million, four hundred fifty-five thousand, fifty-one".