241771661357 has 4 divisors (see below), whose sum is σ = 245176896096. Its totient is φ = 238366426620.

The previous prime is 241771661323. The next prime is 241771661387. The reversal of 241771661357 is 753166177142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241771661357 - 2¹⁸ = 241771399213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241771661387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702617263 + ... + 1702617404.

It is an arithmetic number, because the mean of its divisors is an integer number (61294224024).

Almost surely, 2^241771661357 is an apocalyptic number.

It is an amenable number.

241771661357 is a deficient number, since it is larger than the sum of its proper divisors (3405234739).

241771661357 is an equidigital number, since it uses as much as digits as its factorization.

241771661357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405234738.

The product of its digits is 1481760, while the sum is 50.

The spelling of 241771661357 in words is "two hundred forty-one billion, seven hundred seventy-one million, six hundred sixty-one thousand, three hundred fifty-seven".