1838183638202 has 24 divisors (see below), whose sum is σ = 2958009058620. Its totient is φ = 856462937600.

The previous prime is 1838183638189. The next prime is 1838183638231. The reversal of 1838183638202 is 2028363818381.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1830151714561 + 8031923641 = 1352831^2 + 89621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15685427 + ... + 15802182.

Almost surely, 2^{1838183638202} is an apocalyptic number.

1838183638202 is a deficient number, since it is larger than the sum of its proper divisors (1119825420418).

1838183638202 is a wasteful number, since it uses less digits than its factorization.

1838183638202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31487746 (or 31487729 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 1838183638202 in words is "one trillion, eight hundred thirty-eight billion, one hundred eighty-three million, six hundred thirty-eight thousand, two hundred two".