8419479869956 has 27 divisors (see below), whose sum is σ = 15402799275591. Its totient is φ = 4026643927944.

The previous prime is 8419479869951. The next prime is 8419479869993. The reversal of 8419479869956 is 6599689749148.

The square root of 8419479869956 is 2901634.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8419479869951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 133443625 + ... + 133506703.

Almost surely, 2^{8419479869956} is an apocalyptic number.

8419479869956 is the 2901634-th square number.

It is an amenable number.

8419479869956 is a deficient number, since it is larger than the sum of its proper divisors (6983319405635).

8419479869956 is an frugal number, since it uses more digits than its factorization.

8419479869956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126208 (or 63104 counting only the distinct ones).

The product of its digits is 8465264640, while the sum is 85.

The spelling of 8419479869956 in words is "eight trillion, four hundred nineteen billion, four hundred seventy-nine million, eight hundred sixty-nine thousand, nine hundred fifty-six".