1996772353 has 4 divisors (see below), whose sum is σ = 2029506388. Its totient is φ = 1964038320.

The previous prime is 1996772311. The next prime is 1996772363. The reversal of 1996772353 is 3532776991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1019397184 + 977375169 = 31928^2 + 31263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1996772353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1996772353.

It is not an unprimeable number, because it can be changed into a prime (1996772363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16366926 + ... + 16367047.

It is an arithmetic number, because the mean of its divisors is an integer number (507376597).

Almost surely, 2^1996772353 is an apocalyptic number.

It is an amenable number.

1996772353 is a deficient number, since it is larger than the sum of its proper divisors (32734035).

1996772353 is an equidigital number, since it uses as much as digits as its factorization.

1996772353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32734034.

The product of its digits is 2143260, while the sum is 52.

The square root of 1996772353 is about 44685.2587885535. The cubic root of 1996772353 is about 1259.2429215713.

The spelling of 1996772353 in words is "one billion, nine hundred ninety-six million, seven hundred seventy-two thousand, three hundred fifty-three".