1965897796 has 6 divisors (see below), whose sum is σ = 3440321150. Its totient is φ = 982948896.

The previous prime is 1965897793. The next prime is 1965897797. The reversal of 1965897796 is 6977985691.

It can be written as a sum of positive squares in only one way, i.e., 1412707396 + 553190400 = 37586^2 + 23520^2 .

It is not an unprimeable number, because it can be changed into a prime (1965897793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245737221 + ... + 245737228.

Almost surely, 2^1965897796 is an apocalyptic number.

It is an amenable number.

1965897796 is a deficient number, since it is larger than the sum of its proper divisors (1474423354).

1965897796 is a wasteful number, since it uses less digits than its factorization.

1965897796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491474453 (or 491474451 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 67.

The square root of 1965897796 is about 44338.4460259942. The cubic root of 1965897796 is about 1252.7189447303.

The spelling of 1965897796 in words is "one billion, nine hundred sixty-five million, eight hundred ninety-seven thousand, seven hundred ninety-six".