1965013834 has 16 divisors (see below), whose sum is σ = 3459639168. Its totient is φ = 819387792.

The previous prime is 1965013819. The next prime is 1965013837. The reversal of 1965013834 is 4383105691.

It is a super-3 number, since 3×1965013834³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1965013837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896214 + ... + 1897249.

It is an arithmetic number, because the mean of its divisors is an integer number (216227448).

Almost surely, 2^1965013834 is an apocalyptic number.

1965013834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1965013834 is a deficient number, since it is larger than the sum of its proper divisors (1494625334).

1965013834 is a wasteful number, since it uses less digits than its factorization.

1965013834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793509.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1965013834 is about 44328.4765585284. The cubic root of 1965013834 is about 1252.5311557277.

The spelling of 1965013834 in words is "one billion, nine hundred sixty-five million, thirteen thousand, eight hundred thirty-four".