265350342641 has 4 divisors (see below), whose sum is σ = 265362662052. Its totient is φ = 265338023232.

The previous prime is 265350342629. The next prime is 265350342661. The reversal of 265350342641 is 146243053562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235876320241 + 29474022400 = 485671^2 + 171680^2 .

It is a cyclic number.

It is not a de Polignac number, because 265350342641 - 2¹⁰ = 265350341617 is a prime.

It is a super-2 number, since 2×265350342641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (265350342661) 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, 6127340 + ... + 6170493.

It is an arithmetic number, because the mean of its divisors is an integer number (66340665513).

Almost surely, 2^265350342641 is an apocalyptic number.

It is an amenable number.

265350342641 is a deficient number, since it is larger than the sum of its proper divisors (12319411).

265350342641 is a wasteful number, since it uses less digits than its factorization.

265350342641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319410.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 265350342641 in words is "two hundred sixty-five billion, three hundred fifty million, three hundred forty-two thousand, six hundred forty-one".