3809974707937 has 2 divisors, whose sum is σ = 3809974707938. Its totient is φ = 3809974707936.

The previous prime is 3809974707907. The next prime is 3809974707941. The reversal of 3809974707937 is 7397074799083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3248937755361 + 561036952576 = 1802481^2 + 749024^2 .

It is a cyclic number.

It is not a de Polignac number, because 3809974707937 - 2⁷ = 3809974707809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3809974707937.

It is not a weakly prime, because it can be changed into another prime (3809974707907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904987353968 + 1904987353969.

It is an arithmetic number, because the mean of its divisors is an integer number (1904987353969).

Almost surely, 2^{3809974707937} is an apocalyptic number.

It is an amenable number.

3809974707937 is a deficient number, since it is larger than the sum of its proper divisors (1).

3809974707937 is an equidigital number, since it uses as much as digits as its factorization.

3809974707937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504094752, while the sum is 73.

The spelling of 3809974707937 in words is "three trillion, eight hundred nine billion, nine hundred seventy-four million, seven hundred seven thousand, nine hundred thirty-seven".