709745661627 has 8 divisors (see below), whose sum is σ = 946411989264. Its totient is φ = 473121554208.

The previous prime is 709745661619. The next prime is 709745661631. The reversal of 709745661627 is 726166547907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 709745661627 - 2³ = 709745661619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (709745661607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10515808 + ... + 10583085.

It is an arithmetic number, because the mean of its divisors is an integer number (118301498658).

Almost surely, 2^709745661627 is an apocalyptic number.

709745661627 is a deficient number, since it is larger than the sum of its proper divisors (236666327637).

709745661627 is a wasteful number, since it uses less digits than its factorization.

709745661627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110109.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 709745661627 in words is "seven hundred nine billion, seven hundred forty-five million, six hundred sixty-one thousand, six hundred twenty-seven".