2195298747 has 16 divisors (see below), whose sum is σ = 3266887680. Its totient is φ = 1456965576.

The previous prime is 2195298719. The next prime is 2195298761. The reversal of 2195298747 is 7478925912.

It is not a de Polignac number, because 2195298747 - 2⁷ = 2195298619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2195298693 and 2195298702.

It is not an unprimeable number, because it can be changed into a prime (2195298797) 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 15 ways as a sum of consecutive naturals, for example, 176283 + ... + 188324.

It is an arithmetic number, because the mean of its divisors is an integer number (204180480).

Almost surely, 2^2195298747 is an apocalyptic number.

2195298747 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2195298747 is a deficient number, since it is larger than the sum of its proper divisors (1071588933).

2195298747 is a wasteful number, since it uses less digits than its factorization.

2195298747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364839 (or 364833 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 2195298747 is about 46854.0152708388. The cubic root of 2195298747 is about 1299.6643604907.

The spelling of 2195298747 in words is "two billion, one hundred ninety-five million, two hundred ninety-eight thousand, seven hundred forty-seven".