3399747197729 has 2 divisors, whose sum is σ = 3399747197730. Its totient is φ = 3399747197728.

The previous prime is 3399747197701. The next prime is 3399747197789. The reversal of 3399747197729 is 9277917479933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2148980083600 + 1250767114129 = 1465940^2 + 1118377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3399747197729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3399747197729.

It is not a weakly prime, because it can be changed into another prime (3399747197789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699873598864 + 1699873598865.

It is an arithmetic number, because the mean of its divisors is an integer number (1699873598865).

Almost surely, 2^{3399747197729} is an apocalyptic number.

It is an amenable number.

3399747197729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3399747197729 is an equidigital number, since it uses as much as digits as its factorization.

3399747197729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134213192, while the sum is 77.

The spelling of 3399747197729 in words is "three trillion, three hundred ninety-nine billion, seven hundred forty-seven million, one hundred ninety-seven thousand, seven hundred twenty-nine".