1398209377676 has 6 divisors (see below), whose sum is σ = 2446866410940. Its totient is φ = 699104688836.

The previous prime is 1398209377673. The next prime is 1398209377723. The reversal of 1398209377676 is 6767739028931.

It is a super-2 number, since 2×1398209377676² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1398209377673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174776172206 + ... + 174776172213.

It is an arithmetic number, because the mean of its divisors is an integer number (407811068490).

Almost surely, 2^{1398209377676} is an apocalyptic number.

It is an amenable number.

1398209377676 is a deficient number, since it is larger than the sum of its proper divisors (1048657033264).

1398209377676 is a wasteful number, since it uses less digits than its factorization.

1398209377676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349552344423 (or 349552344421 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 68.

The spelling of 1398209377676 in words is "one trillion, three hundred ninety-eight billion, two hundred nine million, three hundred seventy-seven thousand, six hundred seventy-six".