1963945408084 has 24 divisors (see below), whose sum is σ = 3749403718368. Its totient is φ = 892689745440.

The previous prime is 1963945408043. The next prime is 1963945408099. The reversal of 1963945408084 is 4808045493691.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3259402 + ... + 3814654.

It is an arithmetic number, because the mean of its divisors is an integer number (156225154932).

Almost surely, 2^{1963945408084} is an apocalyptic number.

It is an amenable number.

1963945408084 is a deficient number, since it is larger than the sum of its proper divisors (1785458310284).

1963945408084 is a wasteful number, since it uses less digits than its factorization.

1963945408084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635655 (or 635653 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 1963945408084 in words is "one trillion, nine hundred sixty-three billion, nine hundred forty-five million, four hundred eight thousand, eighty-four".