1969903882 has 4 divisors (see below), whose sum is σ = 2954855826. Its totient is φ = 984951940.

The previous prime is 1969903877. The next prime is 1969903889. The reversal of 1969903882 is 2883099691.

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

It can be written as a sum of positive squares in only one way, i.e., 1452295881 + 517608001 = 38109^2 + 22751^2 .

It is not an unprimeable number, because it can be changed into a prime (1969903889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492475969 + ... + 492475972.

Almost surely, 2^1969903882 is an apocalyptic number.

1969903882 is a deficient number, since it is larger than the sum of its proper divisors (984951944).

1969903882 is an equidigital number, since it uses as much as digits as its factorization.

1969903882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984951943.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 1969903882 is about 44383.5992456673. The cubic root of 1969903882 is about 1253.5692932425.

The spelling of 1969903882 in words is "one billion, nine hundred sixty-nine million, nine hundred three thousand, eight hundred eighty-two".