242246460457 has 2 divisors, whose sum is σ = 242246460458. Its totient is φ = 242246460456.

The previous prime is 242246460439. The next prime is 242246460461. The reversal of 242246460457 is 754064642242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235228880016 + 7017580441 = 485004^2 + 83771^2 .

It is a cyclic number.

It is not a de Polignac number, because 242246460457 - 2¹⁹ = 242245936169 is a prime.

It is not a weakly prime, because it can be changed into another prime (242246460427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121123230228 + 121123230229.

It is an arithmetic number, because the mean of its divisors is an integer number (121123230229).

Almost surely, 2^242246460457 is an apocalyptic number.

It is an amenable number.

242246460457 is a deficient number, since it is larger than the sum of its proper divisors (1).

242246460457 is an equidigital number, since it uses as much as digits as its factorization.

242246460457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2580480, while the sum is 46.

The spelling of 242246460457 in words is "two hundred forty-two billion, two hundred forty-six million, four hundred sixty thousand, four hundred fifty-seven".