1974648869283 has 128 divisors (see below), whose sum is σ = 2918909260800. Its totient is φ = 1183040888832.

The previous prime is 1974648869269. The next prime is 1974648869287. The reversal of 1974648869283 is 3829688464791.

It is a Cunningham number, because it is equal to 1405222²-1.

It is not a de Polignac number, because 1974648869283 - 2⁸ = 1974648869027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1974648869287) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7128696141 + ... + 7128696417.

It is an arithmetic number, because the mean of its divisors is an integer number (22803978600).

Almost surely, 2^{1974648869283} is an apocalyptic number.

1974648869283 is a deficient number, since it is larger than the sum of its proper divisors (944260391517).

1974648869283 is a wasteful number, since it uses less digits than its factorization.

1974648869283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its digits is 1003290624, while the sum is 75.

The spelling of 1974648869283 in words is "one trillion, nine hundred seventy-four billion, six hundred forty-eight million, eight hundred sixty-nine thousand, two hundred eighty-three".