2402372197 has 4 divisors (see below), whose sum is σ = 2404782796. Its totient is φ = 2399961600.

The previous prime is 2402372191. The next prime is 2402372263. The reversal of 2402372197 is 7912732042.

It is a Cunningham number, because it is equal to 49014²+1.

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 2067884676 + 334487521 = 45474^2 + 18289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402372197 - 2¹¹ = 2402370149 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 (2402372191) 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, 1203804 + ... + 1205797.

It is an arithmetic number, because the mean of its divisors is an integer number (601195699).

Almost surely, 2^2402372197 is an apocalyptic number.

It is an amenable number.

2402372197 is a deficient number, since it is larger than the sum of its proper divisors (2410599).

2402372197 is an equidigital number, since it uses as much as digits as its factorization.

2402372197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410598.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2402372197 is about 49014.0000102012. Note that the first 4 decimals coincide. The cubic root of 2402372197 is about 1339.3068734735.

The spelling of 2402372197 in words is "two billion, four hundred two million, three hundred seventy-two thousand, one hundred ninety-seven".