241961914861 has 2 divisors, whose sum is σ = 241961914862. Its totient is φ = 241961914860.

The previous prime is 241961914783. The next prime is 241961914919. The reversal of 241961914861 is 168419169142.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183885734761 + 58076180100 = 428819^2 + 240990^2 .

It is a cyclic number.

It is not a de Polignac number, because 241961914861 - 2²¹ = 241959817709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241961914799 and 241961914808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241961014861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120980957430 + 120980957431.

It is an arithmetic number, because the mean of its divisors is an integer number (120980957431).

Almost surely, 2^241961914861 is an apocalyptic number.

It is an amenable number.

241961914861 is a deficient number, since it is larger than the sum of its proper divisors (1).

241961914861 is an equidigital number, since it uses as much as digits as its factorization.

241961914861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The spelling of 241961914861 in words is "two hundred forty-one billion, nine hundred sixty-one million, nine hundred fourteen thousand, eight hundred sixty-one".