1908057002 has 4 divisors (see below), whose sum is σ = 2862085506. Its totient is φ = 954028500.

The previous prime is 1908056993. The next prime is 1908057013. The reversal of 1908057002 is 2007508091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2007508091 = 179 ⋅11215129.

It can be written as a sum of positive squares in only one way, i.e., 1877575561 + 30481441 = 43331^2 + 5521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1908057002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477014249 + ... + 477014252.

Almost surely, 2^1908057002 is an apocalyptic number.

1908057002 is a deficient number, since it is larger than the sum of its proper divisors (954028504).

1908057002 is an equidigital number, since it uses as much as digits as its factorization.

1908057002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954028503.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1908057002 is about 43681.3118163821. The cubic root of 1908057002 is about 1240.3105799383.

The spelling of 1908057002 in words is "one billion, nine hundred eight million, fifty-seven thousand, two".