2113787263208 has 16 divisors (see below), whose sum is σ = 3969347121060. Its totient is φ = 1055294697600.

The previous prime is 2113787263201. The next prime is 2113787263229. The reversal of 2113787263208 is 8023627873112.

It can be written as a sum of positive squares in 2 ways, for example, as 2037579243844 + 76208019364 = 1427438^2 + 276058^2 .

It is a super-3 number, since 3×2113787263208³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113787263201) 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, 199861133 + ... + 199871708.

Almost surely, 2^{2113787263208} is an apocalyptic number.

It is an amenable number.

2113787263208 is a deficient number, since it is larger than the sum of its proper divisors (1855559857852).

2113787263208 is a wasteful number, since it uses less digits than its factorization.

2113787263208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399733508 (or 399733504 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 2113787263208 in words is "two trillion, one hundred thirteen billion, seven hundred eighty-seven million, two hundred sixty-three thousand, two hundred eight".