1965846849 has 8 divisors (see below), whose sum is σ = 2628046560. Its totient is φ = 1307105856.

The previous prime is 1965846821. The next prime is 1965846853. The reversal of 1965846849 is 9486485691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1965846849 - 2¹³ = 1965838657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1965846792 and 1965846801.

It is not an unprimeable number, because it can be changed into a prime (1965846859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863352 + ... + 865625.

It is an arithmetic number, because the mean of its divisors is an integer number (328505820).

Almost surely, 2^1965846849 is an apocalyptic number.

It is an amenable number.

1965846849 is a deficient number, since it is larger than the sum of its proper divisors (662199711).

1965846849 is a wasteful number, since it uses less digits than its factorization.

1965846849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729359.

The product of its digits is 14929920, while the sum is 60.

The square root of 1965846849 is about 44337.8714983027. The cubic root of 1965846849 is about 1252.7081230718.

The spelling of 1965846849 in words is "one billion, nine hundred sixty-five million, eight hundred forty-six thousand, eight hundred forty-nine".