1965359012 has 12 divisors (see below), whose sum is σ = 3620398320. Its totient is φ = 930959496.

The previous prime is 1965358991. The next prime is 1965359017. The reversal of 1965359012 is 2109535691.

It is a happy number.

It is a super-2 number, since 2×1965359012² = 7725272092099232288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1965359017) 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, 12929918 + ... + 12930069.

It is an arithmetic number, because the mean of its divisors is an integer number (301699860).

Almost surely, 2^1965359012 is an apocalyptic number.

It is an amenable number.

1965359012 is a deficient number, since it is larger than the sum of its proper divisors (1655039308).

1965359012 is a wasteful number, since it uses less digits than its factorization.

1965359012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860010 (or 25860008 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 1965359012 is about 44332.3697990532. The cubic root of 1965359012 is about 1252.6044920878.

The spelling of 1965359012 in words is "one billion, nine hundred sixty-five million, three hundred fifty-nine thousand, twelve".