1965838696 has 8 divisors (see below), whose sum is σ = 3685947570. Its totient is φ = 982919344.

The previous prime is 1965838691. The next prime is 1965838709. The reversal of 1965838696 is 6968385691.

It can be written as a sum of positive squares in only one way, i.e., 1592808100 + 373030596 = 39910^2 + 19314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1965838691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122864911 + ... + 122864926.

Almost surely, 2^1965838696 is an apocalyptic number.

It is an amenable number.

1965838696 is a deficient number, since it is larger than the sum of its proper divisors (1720108874).

1965838696 is a wasteful number, since it uses less digits than its factorization.

1965838696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245729843 (or 245729839 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 61.

The square root of 1965838696 is about 44337.7795564911. The cubic root of 1965838696 is about 1252.7063912748.

The spelling of 1965838696 in words is "one billion, nine hundred sixty-five million, eight hundred thirty-eight thousand, six hundred ninety-six".