1319173980554 has 8 divisors (see below), whose sum is σ = 1979087894820. Its totient is φ = 659478015616.

The previous prime is 1319173980541. The next prime is 1319173980587. The reversal of 1319173980554 is 4550893719131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1308559829929 + 10614150625 = 1143923^2 + 103025^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1319173980554.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54472199 + ... + 54496410.

Almost surely, 2^{1319173980554} is an apocalyptic number.

1319173980554 is a deficient number, since it is larger than the sum of its proper divisors (659913914266).

1319173980554 is a wasteful number, since it uses less digits than its factorization.

1319173980554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108974664.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 1319173980554 in words is "one trillion, three hundred nineteen billion, one hundred seventy-three million, nine hundred eighty thousand, five hundred fifty-four".