709218998044 has 6 divisors (see below), whose sum is σ = 1241133246584. Its totient is φ = 354609499020.

The previous prime is 709218998041. The next prime is 709218998057. The reversal of 709218998044 is 440899812907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709218998041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88652374752 + ... + 88652374759.

Almost surely, 2^709218998044 is an apocalyptic number.

It is an amenable number.

709218998044 is a deficient number, since it is larger than the sum of its proper divisors (531914248540).

709218998044 is a wasteful number, since it uses less digits than its factorization.

709218998044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177304749515 (or 177304749513 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 709218998044 in words is "seven hundred nine billion, two hundred eighteen million, nine hundred ninety-eight thousand, forty-four".