1996504537 has 8 divisors (see below), whose sum is σ = 2025767016. Its totient is φ = 1967419392.

The previous prime is 1996504487. The next prime is 1996504567. The reversal of 1996504537 is 7354056991.

It can be written as a sum of positive squares in 4 ways, for example, as 9217296 + 1987287241 = 3036^2 + 44579^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1996504537 - 2¹⁵ = 1996471769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996504567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21568 + ... + 66769.

It is an arithmetic number, because the mean of its divisors is an integer number (253220877).

Almost surely, 2^1996504537 is an apocalyptic number.

It is an amenable number.

1996504537 is a deficient number, since it is larger than the sum of its proper divisors (29262479).

1996504537 is an equidigital number, since it uses as much as digits as its factorization.

1996504537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88667.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 1996504537 is about 44682.2619951139. The cubic root of 1996504537 is about 1259.1866206314.

The spelling of 1996504537 in words is "one billion, nine hundred ninety-six million, five hundred four thousand, five hundred thirty-seven".