1975143696448 has 224 divisors, whose sum is σ = 4554479283200. Its totient is φ = 842043009024.

The previous prime is 1975143696443. The next prime is 1975143696473. The reversal of 1975143696448 is 8446963415791.

It is not an unprimeable number, because it can be changed into a prime (1975143696443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437073133 + ... + 437077651.

It is an arithmetic number, because the mean of its divisors is an integer number (20332496800).

Almost surely, 2^{1975143696448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1975143696448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277239641600).

1975143696448 is an abundant number, since it is smaller than the sum of its proper divisors (2579335586752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1975143696448 is a wasteful number, since it uses less digits than its factorization.

1975143696448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 5239 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 67.

The spelling of 1975143696448 in words is "one trillion, nine hundred seventy-five billion, one hundred forty-three million, six hundred ninety-six thousand, four hundred forty-eight".