1916201484313 has 2 divisors, whose sum is σ = 1916201484314. Its totient is φ = 1916201484312.

The previous prime is 1916201484287. The next prime is 1916201484349. The reversal of 1916201484313 is 3134841026191.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1816974594304 + 99226890009 = 1347952^2 + 315003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1916201484313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1916201484313.

It is not a weakly prime, because it can be changed into another prime (1916201482313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958100742156 + 958100742157.

It is an arithmetic number, because the mean of its divisors is an integer number (958100742157).

Almost surely, 2^{1916201484313} is an apocalyptic number.

It is an amenable number.

1916201484313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916201484313 is an equidigital number, since it uses as much as digits as its factorization.

1916201484313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 1916201484313 in words is "one trillion, nine hundred sixteen billion, two hundred one million, four hundred eighty-four thousand, three hundred thirteen".