38935530427949 has 2 divisors, whose sum is σ = 38935530427950. Its totient is φ = 38935530427948.

The previous prime is 38935530427939. The next prime is 38935530428009. The reversal of 38935530427949 is 94972403553983.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35980586617924 + 2954943810025 = 5998382^2 + 1718995^2 .

It is a cyclic number.

It is not a de Polignac number, because 38935530427949 - 2⁴ = 38935530427933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38935530427939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19467765213974 + 19467765213975.

It is an arithmetic number, because the mean of its divisors is an integer number (19467765213975).

Almost surely, 2^{38935530427949} is an apocalyptic number.

It is an amenable number.

38935530427949 is a deficient number, since it is larger than the sum of its proper divisors (1).

38935530427949 is an equidigital number, since it uses as much as digits as its factorization.

38935530427949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 881798400, while the sum is 71.

The spelling of 38935530427949 in words is "thirty-eight trillion, nine hundred thirty-five billion, five hundred thirty million, four hundred twenty-seven thousand, nine hundred forty-nine".