213775365241 has 4 divisors (see below), whose sum is σ = 213776425872. Its totient is φ = 213774304612.

The previous prime is 213775365233. The next prime is 213775365281. The reversal of 213775365241 is 142563577312.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213775365241 - 2³ = 213775365233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213775365191 and 213775365200.

It is not an unprimeable number, because it can be changed into a prime (213775365281) 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, 124435 + ... + 665608.

It is an arithmetic number, because the mean of its divisors is an integer number (53444106468).

Almost surely, 2^213775365241 is an apocalyptic number.

It is an amenable number.

213775365241 is a deficient number, since it is larger than the sum of its proper divisors (1060631).

213775365241 is an equidigital number, since it uses as much as digits as its factorization.

213775365241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060630.

The product of its digits is 1058400, while the sum is 46.

The spelling of 213775365241 in words is "two hundred thirteen billion, seven hundred seventy-five million, three hundred sixty-five thousand, two hundred forty-one".