1918382030002 has 4 divisors (see below), whose sum is σ = 2877573045006. Its totient is φ = 959191015000.

The previous prime is 1918382029979. The next prime is 1918382030017. The reversal of 1918382030002 is 2000302838191.

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., 1382178786921 + 536203243081 = 1175661^2 + 732259^2 .

It is a super-2 number, since 2×1918382030002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479595507499 + ... + 479595507502.

Almost surely, 2^{1918382030002} is an apocalyptic number.

1918382030002 is a deficient number, since it is larger than the sum of its proper divisors (959191015004).

1918382030002 is an equidigital number, since it uses as much as digits as its factorization.

1918382030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959191015003.

The product of its (nonzero) digits is 20736, while the sum is 37.

Adding to 1918382030002 its reverse (2000302838191), we get a palindrome (3918684868193).

The spelling of 1918382030002 in words is "one trillion, nine hundred eighteen billion, three hundred eighty-two million, thirty thousand, two".