1965376893850 has 24 divisors (see below), whose sum is σ = 3848001078240. Its totient is φ = 744774401520.

The previous prime is 1965376893839. The next prime is 1965376893889. The reversal of 1965376893850 is 583986735691.

It is a self number, because there is not a number n which added to its sum of digits gives 1965376893850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034407942 + ... + 1034409841.

It is an arithmetic number, because the mean of its divisors is an integer number (160333378260).

Almost surely, 2^{1965376893850} is an apocalyptic number.

1965376893850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1965376893850 is a deficient number, since it is larger than the sum of its proper divisors (1882624184390).

1965376893850 is a wasteful number, since it uses less digits than its factorization.

1965376893850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068817814 (or 2068817809 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 70.

The spelling of 1965376893850 in words is "one trillion, nine hundred sixty-five billion, three hundred seventy-six million, eight hundred ninety-three thousand, eight hundred fifty".