1897968493373 has 8 divisors (see below), whose sum is σ = 1907068514400. Its totient is φ = 1888869462480.

The previous prime is 1897968493357. The next prime is 1897968493391. The reversal of 1897968493373 is 3733948697981.

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

It is a cyclic number.

It is not a de Polignac number, because 1897968493373 - 2⁴ = 1897968493357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1897968493294 and 1897968493303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897968493303) 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, 3749711 + ... + 4225667.

It is an arithmetic number, because the mean of its divisors is an integer number (238383564300).

Almost surely, 2^{1897968493373} is an apocalyptic number.

It is an amenable number.

1897968493373 is a deficient number, since it is larger than the sum of its proper divisors (9100021027).

1897968493373 is a wasteful number, since it uses less digits than its factorization.

1897968493373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495067.

The product of its digits is 1481421312, while the sum is 77.

The spelling of 1897968493373 in words is "one trillion, eight hundred ninety-seven billion, nine hundred sixty-eight million, four hundred ninety-three thousand, three hundred seventy-three".