1969308452 has 24 divisors (see below), whose sum is σ = 3566955000. Its totient is φ = 950213376.

The previous prime is 1969308443. The next prime is 1969308457. The reversal of 1969308452 is 2548039691.

It can be written as a sum of positive squares in 4 ways, for example, as 118243876 + 1851064576 = 10874^2 + 43024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1969308397 and 1969308406.

It is not an unprimeable number, because it can be changed into a prime (1969308457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339674 + ... + 345422.

It is an arithmetic number, because the mean of its divisors is an integer number (148623125).

Almost surely, 2^1969308452 is an apocalyptic number.

It is an amenable number.

1969308452 is a deficient number, since it is larger than the sum of its proper divisors (1597646548).

1969308452 is a wasteful number, since it uses less digits than its factorization.

1969308452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735 (or 8733 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1969308452 is about 44376.8909681604. The cubic root of 1969308452 is about 1253.4429777764.

The spelling of 1969308452 in words is "one billion, nine hundred sixty-nine million, three hundred eight thousand, four hundred fifty-two".