2101277697 has 32 divisors (see below), whose sum is σ = 3014928000. Its totient is φ = 1297700352.

The previous prime is 2101277683. The next prime is 2101277699. The reversal of 2101277697 is 7967721012.

It is not a de Polignac number, because 2101277697 - 2⁷ = 2101277569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101277699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053333 + ... + 1055325.

It is an arithmetic number, because the mean of its divisors is an integer number (94216500).

Almost surely, 2^2101277697 is an apocalyptic number.

It is an amenable number.

2101277697 is a deficient number, since it is larger than the sum of its proper divisors (913650303).

2101277697 is a wasteful number, since it uses less digits than its factorization.

2101277697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 2101277697 is about 45839.6956468954. The cubic root of 2101277697 is about 1280.8388253740.

The spelling of 2101277697 in words is "two billion, one hundred one million, two hundred seventy-seven thousand, six hundred ninety-seven".