2297098949261 has 8 divisors (see below), whose sum is σ = 2304505405848. Its totient is φ = 2289701736000.

The previous prime is 2297098949207. The next prime is 2297098949267. The reversal of 2297098949261 is 1629498907922.

It can be written as a sum of positive squares in 4 ways, for example, as 427879515625 + 1869219433636 = 654125^2 + 1367194^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2297098949261 - 2²² = 2297094754957 is a prime.

It is a super-2 number, since 2×2297098949261² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2297098949191 and 2297098949200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297098949267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1812830 + ... + 2807231.

It is an arithmetic number, because the mean of its divisors is an integer number (288063175731).

Almost surely, 2^{2297098949261} is an apocalyptic number.

It is an amenable number.

2297098949261 is a deficient number, since it is larger than the sum of its proper divisors (7406456587).

2297098949261 is a wasteful number, since it uses less digits than its factorization.

2297098949261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621663.

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 2297098949261 in words is "two trillion, two hundred ninety-seven billion, ninety-eight million, nine hundred forty-nine thousand, two hundred sixty-one".