2148197713 has 2 divisors, whose sum is σ = 2148197714. Its totient is φ = 2148197712.

The previous prime is 2148197699. The next prime is 2148197743. The reversal of 2148197713 is 3177918412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2029322304 + 118875409 = 45048^2 + 10903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148197713 - 2⁹ = 2148197201 is a prime.

It is a super-3 number, since 3×2148197713³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2148197713.

It is not a weakly prime, because it can be changed into another prime (2148197743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074098856 + 1074098857.

It is an arithmetic number, because the mean of its divisors is an integer number (1074098857).

Almost surely, 2^2148197713 is an apocalyptic number.

It is an amenable number.

2148197713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148197713 is an equidigital number, since it uses as much as digits as its factorization.

2148197713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 43.

The square root of 2148197713 is about 46348.6538423717. The cubic root of 2148197713 is about 1290.3021372298.

The spelling of 2148197713 in words is "two billion, one hundred forty-eight million, one hundred ninety-seven thousand, seven hundred thirteen".