300421749197 has 2 divisors, whose sum is σ = 300421749198. Its totient is φ = 300421749196.

The previous prime is 300421749167. The next prime is 300421749203. The reversal of 300421749197 is 791947124003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295567282921 + 4854466276 = 543661^2 + 69674^2 .

It is a cyclic number.

It is not a de Polignac number, because 300421749197 - 2²² = 300417554893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300421749107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150210874598 + 150210874599.

It is an arithmetic number, because the mean of its divisors is an integer number (150210874599).

Almost surely, 2^300421749197 is an apocalyptic number.

It is an amenable number.

300421749197 is a deficient number, since it is larger than the sum of its proper divisors (1).

300421749197 is an equidigital number, since it uses as much as digits as its factorization.

300421749197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 300421749197 in words is "three hundred billion, four hundred twenty-one million, seven hundred forty-nine thousand, one hundred ninety-seven".