241829464451621 has 2 divisors, whose sum is σ = 241829464451622. Its totient is φ = 241829464451620.

The previous prime is 241829464451609. The next prime is 241829464451713. The reversal of 241829464451621 is 126154464928142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237855665404900 + 3973799046721 = 15422570^2 + 1993439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241829464451621 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241829464451321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120914732225810 + 120914732225811.

It is an arithmetic number, because the mean of its divisors is an integer number (120914732225811).

Almost surely, 2^{241829464451621} is an apocalyptic number.

It is an amenable number.

241829464451621 is a deficient number, since it is larger than the sum of its proper divisors (1).

241829464451621 is an equidigital number, since it uses as much as digits as its factorization.

241829464451621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26542080, while the sum is 59.

The spelling of 241829464451621 in words is "two hundred forty-one trillion, eight hundred twenty-nine billion, four hundred sixty-four million, four hundred fifty-one thousand, six hundred twenty-one".