1938284730202 has 16 divisors (see below), whose sum is σ = 2983362521832. Its totient is φ = 943910279680.

The previous prime is 1938284730199. The next prime is 1938284730209. The reversal of 1938284730202 is 2020374828391.

It can be written as a sum of positive squares in 4 ways, for example, as 1389972618841 + 548312111361 = 1178971^2 + 740481^2 .

It is a super-3 number, since 3×1938284730202³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1938284730209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19881913 + ... + 19979164.

Almost surely, 2^{1938284730202} is an apocalyptic number.

1938284730202 is a deficient number, since it is larger than the sum of its proper divisors (1045077791630).

1938284730202 is a wasteful number, since it uses less digits than its factorization.

1938284730202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39861713.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 1938284730202 in words is "one trillion, nine hundred thirty-eight billion, two hundred eighty-four million, seven hundred thirty thousand, two hundred two".