918351851002 has 4 divisors (see below), whose sum is σ = 1377527776506. Its totient is φ = 459175925500.

The previous prime is 918351850957. The next prime is 918351851009. The reversal of 918351851002 is 200158153819.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200158153819 = 13 ⋅15396781063.

It can be written as a sum of positive squares in only one way, i.e., 694053943801 + 224297907201 = 833099^2 + 473601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 918351851002.

It is not an unprimeable number, because it can be changed into a prime (918351851009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229587962749 + ... + 229587962752.

Almost surely, 2^918351851002 is an apocalyptic number.

918351851002 is a deficient number, since it is larger than the sum of its proper divisors (459175925504).

918351851002 is a wasteful number, since it uses less digits than its factorization.

918351851002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459175925503.

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 918351851002 in words is "nine hundred eighteen billion, three hundred fifty-one million, eight hundred fifty-one thousand, two".