2000002019947 has 2 divisors, whose sum is σ = 2000002019948. Its totient is φ = 2000002019946.

The previous prime is 2000002019909. The next prime is 2000002019963. The reversal of 2000002019947 is 7499102000002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000002019947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000002029947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000001009973 + 1000001009974.

It is an arithmetic number, because the mean of its divisors is an integer number (1000001009974).

Almost surely, 2^{2000002019947} is an apocalyptic number.

2000002019947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000002019947 is an equidigital number, since it uses as much as digits as its factorization.

2000002019947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 2000002019947 its reverse (7499102000002), we get a palindrome (9499104019949).

The spelling of 2000002019947 in words is "two trillion, two million, nineteen thousand, nine hundred forty-seven".