38550452729 has 2 divisors, whose sum is σ = 38550452730. Its totient is φ = 38550452728.

The previous prime is 38550452719. The next prime is 38550452761. The reversal of 38550452729 is 92725405583.

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., 37683739129 + 866713600 = 194123^2 + 29440^2 .

It is a cyclic number.

It is not a de Polignac number, because 38550452729 - 2²⁴ = 38533675513 is a prime.

It is a super-2 number, since 2×38550452729² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38550452719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19275226364 + 19275226365.

It is an arithmetic number, because the mean of its divisors is an integer number (19275226365).

Almost surely, 2^38550452729 is an apocalyptic number.

It is an amenable number.

38550452729 is a deficient number, since it is larger than the sum of its proper divisors (1).

38550452729 is an equidigital number, since it uses as much as digits as its factorization.

38550452729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 38550452729 in words is "thirty-eight billion, five hundred fifty million, four hundred fifty-two thousand, seven hundred twenty-nine".