4039477993 has 2 divisors, whose sum is σ = 4039477994. Its totient is φ = 4039477992.

The previous prime is 4039477961. The next prime is 4039478041. The reversal of 4039477993 is 3997749304.

It is a happy number.

4039477993 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3858521689 + 180956304 = 62117^2 + 13452^2 .

It is a cyclic number.

It is not a de Polignac number, because 4039477993 - 2⁵ = 4039477961 is a prime.

It is not a weakly prime, because it can be changed into another prime (4039477903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019738996 + 2019738997.

It is an arithmetic number, because the mean of its divisors is an integer number (2019738997).

Almost surely, 2^4039477993 is an apocalyptic number.

It is an amenable number.

4039477993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4039477993 is an equidigital number, since it uses as much as digits as its factorization.

4039477993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 55.

The square root of 4039477993 is about 63556.8878486038. The cubic root of 4039477993 is about 1592.6062490815.

The spelling of 4039477993 in words is "four billion, thirty-nine million, four hundred seventy-seven thousand, nine hundred ninety-three".