2114985197 has 4 divisors (see below), whose sum is σ = 2277676380. Its totient is φ = 1952294016.

The previous prime is 2114985163. The next prime is 2114985203. The reversal of 2114985197 is 7915894112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 817616836 + 1297368361 = 28594^2 + 36019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114985197 - 2¹⁰ = 2114984173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114915197) 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, 81345572 + ... + 81345597.

It is an arithmetic number, because the mean of its divisors is an integer number (569419095).

Almost surely, 2^2114985197 is an apocalyptic number.

It is an amenable number.

2114985197 is a deficient number, since it is larger than the sum of its proper divisors (162691183).

2114985197 is a wasteful number, since it uses less digits than its factorization.

2114985197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162691182.

The product of its digits is 181440, while the sum is 47.

The square root of 2114985197 is about 45988.9682097783. The cubic root of 2114985197 is about 1283.6179374336.

The spelling of 2114985197 in words is "two billion, one hundred fourteen million, nine hundred eighty-five thousand, one hundred ninety-seven".