241328521957 has 4 divisors (see below), whose sum is σ = 244727515296. Its totient is φ = 237929528620.

The previous prime is 241328521949. The next prime is 241328521969. The reversal of 241328521957 is 759125823142.

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 241328521957 - 2³ = 241328521949 is a prime.

It is a super-2 number, since 2×241328521957² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241328521957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241328521937) 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, 1699496563 + ... + 1699496704.

It is an arithmetic number, because the mean of its divisors is an integer number (61181878824).

Almost surely, 2^241328521957 is an apocalyptic number.

It is an amenable number.

241328521957 is a deficient number, since it is larger than the sum of its proper divisors (3398993339).

241328521957 is an equidigital number, since it uses as much as digits as its factorization.

241328521957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398993338.

The product of its digits is 1209600, while the sum is 49.

The spelling of 241328521957 in words is "two hundred forty-one billion, three hundred twenty-eight million, five hundred twenty-one thousand, nine hundred fifty-seven".