1911000002 has 4 divisors (see below), whose sum is σ = 2866500006. Its totient is φ = 955500000.

The previous prime is 1911000001. The next prime is 1911000019. The reversal of 1911000002 is 2000001191.

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., 1905235201 + 5764801 = 43649^2 + 2401^2 .

It is not an unprimeable number, because it can be changed into a prime (1911000001) by changing a digit.

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, 477749999 + ... + 477750002.

Almost surely, 2^1911000002 is an apocalyptic number.

1911000002 is a deficient number, since it is larger than the sum of its proper divisors (955500004).

1911000002 is an equidigital number, since it uses as much as digits as its factorization.

1911000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955500003.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1911000002 is about 43714.9860116642. The cubic root of 1911000002 is about 1240.9479401646.

Adding to 1911000002 its reverse (2000001191), we get a palindrome (3911001193).

The spelling of 1911000002 in words is "one billion, nine hundred eleven million, two", and thus it is an aban number.