1963974252218 has 16 divisors (see below), whose sum is σ = 3213874673856. Its totient is φ = 892688173440.

The previous prime is 1963974252173. The next prime is 1963974252223. The reversal of 1963974252218 is 8122524793691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627671 + ... + 2078922.

It is an arithmetic number, because the mean of its divisors is an integer number (200867167116).

Almost surely, 2^{1963974252218} is an apocalyptic number.

1963974252218 is a deficient number, since it is larger than the sum of its proper divisors (1249900421638).

1963974252218 is a wasteful number, since it uses less digits than its factorization.

1963974252218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739589.

The product of its digits is 13063680, while the sum is 59.

The spelling of 1963974252218 in words is "one trillion, nine hundred sixty-three billion, nine hundred seventy-four million, two hundred fifty-two thousand, two hundred eighteen".