18829851802 has 8 divisors (see below), whose sum is σ = 28408042836. Its totient is φ = 9360504192.

The previous prime is 18829851767. The next prime is 18829851809. The reversal of 18829851802 is 20815892881.

It can be written as a sum of positive squares in 2 ways, for example, as 14387762601 + 4442089201 = 119949^2 + 66649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18829851802.

It is not an unprimeable number, because it can be changed into a prime (18829851809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27210423 + ... + 27211114.

Almost surely, 2^18829851802 is an apocalyptic number.

18829851802 is a deficient number, since it is larger than the sum of its proper divisors (9578191034).

18829851802 is a wasteful number, since it uses less digits than its factorization.

18829851802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54421712.

The product of its (nonzero) digits is 737280, while the sum is 52.

It can be divided in two parts, 188298 and 51802, that added together give a square (240100 = 490²).

The spelling of 18829851802 in words is "eighteen billion, eight hundred twenty-nine million, eight hundred fifty-one thousand, eight hundred two".