38135303629 has 2 divisors, whose sum is σ = 38135303630. Its totient is φ = 38135303628.

The previous prime is 38135303561. The next prime is 38135303641. The reversal of 38135303629 is 92630353183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37481734404 + 653569225 = 193602^2 + 25565^2 .

It is a cyclic number.

It is not a de Polignac number, because 38135303629 - 2⁷ = 38135303501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38135303699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19067651814 + 19067651815.

It is an arithmetic number, because the mean of its divisors is an integer number (19067651815).

Almost surely, 2^38135303629 is an apocalyptic number.

It is an amenable number.

38135303629 is a deficient number, since it is larger than the sum of its proper divisors (1).

38135303629 is an equidigital number, since it uses as much as digits as its factorization.

38135303629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 38135303629 in words is "thirty-eight billion, one hundred thirty-five million, three hundred three thousand, six hundred twenty-nine".