38702747029 has 2 divisors, whose sum is σ = 38702747030. Its totient is φ = 38702747028.

The previous prime is 38702747003. The next prime is 38702747051. The reversal of 38702747029 is 92074720783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36653102500 + 2049644529 = 191450^2 + 45273^2 .

It is a cyclic number.

It is not a de Polignac number, because 38702747029 - 2²³ = 38694358421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38702747099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19351373514 + 19351373515.

It is an arithmetic number, because the mean of its divisors is an integer number (19351373515).

Almost surely, 2^38702747029 is an apocalyptic number.

It is an amenable number.

38702747029 is a deficient number, since it is larger than the sum of its proper divisors (1).

38702747029 is an equidigital number, since it uses as much as digits as its factorization.

38702747029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 38702747029 in words is "thirty-eight billion, seven hundred two million, seven hundred forty-seven thousand, twenty-nine".