13747947701 has 2 divisors, whose sum is σ = 13747947702. Its totient is φ = 13747947700.

The previous prime is 13747947679. The next prime is 13747947713. The reversal of 13747947701 is 10774974731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10296972676 + 3450975025 = 101474^2 + 58745^2 .

It is a cyclic number.

It is not a de Polignac number, because 13747947701 - 2⁶ = 13747947637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13747947701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13747947791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6873973850 + 6873973851.

It is an arithmetic number, because the mean of its divisors is an integer number (6873973851).

Almost surely, 2^13747947701 is an apocalyptic number.

It is an amenable number.

13747947701 is a deficient number, since it is larger than the sum of its proper divisors (1).

13747947701 is an equidigital number, since it uses as much as digits as its factorization.

13747947701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1037232, while the sum is 50.

The spelling of 13747947701 in words is "thirteen billion, seven hundred forty-seven million, nine hundred forty-seven thousand, seven hundred one".