1996435889534 has 8 divisors (see below), whose sum is σ = 2994660029448. Its totient is φ = 998215879720.

The previous prime is 1996435889501. The next prime is 1996435889579. The reversal of 1996435889534 is 4359885346991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1996435889534² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897404 + ... + 2190480.

It is an arithmetic number, because the mean of its divisors is an integer number (374332503681).

Almost surely, 2^{1996435889534} is an apocalyptic number.

1996435889534 is a deficient number, since it is larger than the sum of its proper divisors (998224139914).

1996435889534 is a wasteful number, since it uses less digits than its factorization.

1996435889534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065050.

The product of its digits is 1007769600, while the sum is 74.

The spelling of 1996435889534 in words is "one trillion, nine hundred ninety-six billion, four hundred thirty-five million, eight hundred eighty-nine thousand, five hundred thirty-four".