38958039349 has 2 divisors, whose sum is σ = 38958039350. Its totient is φ = 38958039348.

The previous prime is 38958039313. The next prime is 38958039353. The reversal of 38958039349 is 94393085983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23864688324 + 15093351025 = 154482^2 + 122855^2 .

It is a cyclic number.

It is not a de Polignac number, because 38958039349 - 2⁷ = 38958039221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38958039359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19479019674 + 19479019675.

It is an arithmetic number, because the mean of its divisors is an integer number (19479019675).

Almost surely, 2^38958039349 is an apocalyptic number.

It is an amenable number.

38958039349 is a deficient number, since it is larger than the sum of its proper divisors (1).

38958039349 is an equidigital number, since it uses as much as digits as its factorization.

38958039349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 38958039349 in words is "thirty-eight billion, nine hundred fifty-eight million, thirty-nine thousand, three hundred forty-nine".