1969041808 has 10 divisors (see below), whose sum is σ = 3815018534. Its totient is φ = 984520896.

The previous prime is 1969041803. The next prime is 1969041817. The reversal of 1969041808 is 8081409691.

It can be written as a sum of positive squares in only one way, i.e., 1191078144 + 777963664 = 34512^2 + 27892^2 .

It is not an unprimeable number, because it can be changed into a prime (1969041803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61532541 + ... + 61532572.

Almost surely, 2^1969041808 is an apocalyptic number.

It is an amenable number.

1969041808 is a deficient number, since it is larger than the sum of its proper divisors (1845976726).

1969041808 is a wasteful number, since it uses less digits than its factorization.

1969041808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123065121 (or 123065115 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1969041808 is about 44373.8865550450. The cubic root of 1969041808 is about 1253.3864032405.

The spelling of 1969041808 in words is "one billion, nine hundred sixty-nine million, forty-one thousand, eight hundred eight".