39753739117 has 2 divisors, whose sum is σ = 39753739118. Its totient is φ = 39753739116.

The previous prime is 39753739099. The next prime is 39753739133. The reversal of 39753739117 is 71193735793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38467369161 + 1286369956 = 196131^2 + 35866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39753739117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39753737117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19876869558 + 19876869559.

It is an arithmetic number, because the mean of its divisors is an integer number (19876869559).

Almost surely, 2^39753739117 is an apocalyptic number.

It is an amenable number.

39753739117 is a deficient number, since it is larger than the sum of its proper divisors (1).

39753739117 is an equidigital number, since it uses as much as digits as its factorization.

39753739117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750705, while the sum is 55.

The spelling of 39753739117 in words is "thirty-nine billion, seven hundred fifty-three million, seven hundred thirty-nine thousand, one hundred seventeen".