39011021748949 has 2 divisors, whose sum is σ = 39011021748950. Its totient is φ = 39011021748948.

The previous prime is 39011021748913. The next prime is 39011021748967. The reversal of 39011021748949 is 94984712011093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38789291891025 + 221729857924 = 6228105^2 + 470882^2 .

It is a cyclic number.

It is not a de Polignac number, because 39011021748949 - 2⁷ = 39011021748821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39011021748893 and 39011021748902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39011021748649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19505510874474 + 19505510874475.

It is an arithmetic number, because the mean of its divisors is an integer number (19505510874475).

Almost surely, 2^{39011021748949} is an apocalyptic number.

It is an amenable number.

39011021748949 is a deficient number, since it is larger than the sum of its proper divisors (1).

39011021748949 is an equidigital number, since it uses as much as digits as its factorization.

39011021748949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 39011021748949 in words is "thirty-nine trillion, eleven billion, twenty-one million, seven hundred forty-eight thousand, nine hundred forty-nine".