709548255485 has 4 divisors (see below), whose sum is σ = 851457906588. Its totient is φ = 567638604384.

The previous prime is 709548255463. The next prime is 709548255487. The reversal of 709548255485 is 584552845907.

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 394255898404 + 315292357081 = 627898^2 + 561509^2 .

It is a cyclic number.

It is not a de Polignac number, because 709548255485 - 2¹² = 709548251389 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 (709548255487) 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, 70954825544 + ... + 70954825553.

It is an arithmetic number, because the mean of its divisors is an integer number (212864476647).

Almost surely, 2^709548255485 is an apocalyptic number.

It is an amenable number.

709548255485 is a deficient number, since it is larger than the sum of its proper divisors (141909651103).

709548255485 is a wasteful number, since it uses less digits than its factorization.

709548255485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141909651102.

The product of its (nonzero) digits is 80640000, while the sum is 62.

The spelling of 709548255485 in words is "seven hundred nine billion, five hundred forty-eight million, two hundred fifty-five thousand, four hundred eighty-five".