1918483011 has 6 divisors (see below), whose sum is σ = 2771142140. Its totient is φ = 1278988668.

The previous prime is 1918482971. The next prime is 1918483013. The reversal of 1918483011 is 1103848191.

It is not a de Polignac number, because 1918483011 - 2¹⁵ = 1918450243 is a prime.

It is a super-2 number, since 2×1918483011² = 7361154126991252242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1918483013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106582381 + ... + 106582398.

Almost surely, 2^1918483011 is an apocalyptic number.

1918483011 is a deficient number, since it is larger than the sum of its proper divisors (852659129).

1918483011 is a wasteful number, since it uses less digits than its factorization.

1918483011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213164785 (or 213164782 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1918483011 is about 43800.4909903987. The cubic root of 1918483011 is about 1242.5655801948.

The spelling of 1918483011 in words is "one billion, nine hundred eighteen million, four hundred eighty-three thousand, eleven".