1996703517 has 4 divisors (see below), whose sum is σ = 2662271360. Its totient is φ = 1331135676.

The previous prime is 1996703507. The next prime is 1996703543. The reversal of 1996703517 is 7153076991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1996703517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996703507) 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, 332783917 + ... + 332783922.

It is an arithmetic number, because the mean of its divisors is an integer number (665567840).

Almost surely, 2^1996703517 is an apocalyptic number.

It is an amenable number.

1996703517 is a deficient number, since it is larger than the sum of its proper divisors (665567843).

1996703517 is an equidigital number, since it uses as much as digits as its factorization.

1996703517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665567842.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 1996703517 is about 44684.4885502788. The cubic root of 1996703517 is about 1259.2284511783.

The spelling of 1996703517 in words is "one billion, nine hundred ninety-six million, seven hundred three thousand, five hundred seventeen".