705141566603261 has 4 divisors (see below), whose sum is σ = 705681078132192. Its totient is φ = 704602055074332.

The previous prime is 705141566603153. The next prime is 705141566603263. The reversal of 705141566603261 is 162306665141507.

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 a de Polignac number, because none of the positive numbers 2^k-705141566603261 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 (705141566603263) 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, 269755762505 + ... + 269755765118.

It is an arithmetic number, because the mean of its divisors is an integer number (176420269533048).

Almost surely, 2^{705141566603261} is an apocalyptic number.

It is an amenable number.

705141566603261 is a deficient number, since it is larger than the sum of its proper divisors (539511528931).

705141566603261 is a wasteful number, since it uses less digits than its factorization.

705141566603261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539511528930.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 705141566603261 in words is "seven hundred five trillion, one hundred forty-one billion, five hundred sixty-six million, six hundred three thousand, two hundred sixty-one".