1965853284 has 12 divisors (see below), whose sum is σ = 4586991024. Its totient is φ = 655284424.

The previous prime is 1965853249. The next prime is 1965853289. The reversal of 1965853284 is 4823585691.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1965853289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81910542 + ... + 81910565.

It is an arithmetic number, because the mean of its divisors is an integer number (382249252).

Almost surely, 2^1965853284 is an apocalyptic number.

It is an amenable number.

1965853284 is an abundant number, since it is smaller than the sum of its proper divisors (2621137740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1965853284 is a wasteful number, since it uses less digits than its factorization.

1965853284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163821114 (or 163821112 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 1965853284 is about 44337.9440660029. The cubic root of 1965853284 is about 1252.7094899413.

The spelling of 1965853284 in words is "one billion, nine hundred sixty-five million, eight hundred fifty-three thousand, two hundred eighty-four".