2039149447 has 2 divisors, whose sum is σ = 2039149448. Its totient is φ = 2039149446.

The previous prime is 2039149421. The next prime is 2039149459. The reversal of 2039149447 is 7449419302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2039149447 - 2⁷ = 2039149319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2039149417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019574723 + 1019574724.

It is an arithmetic number, because the mean of its divisors is an integer number (1019574724).

Almost surely, 2^2039149447 is an apocalyptic number.

2039149447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039149447 is an equidigital number, since it uses as much as digits as its factorization.

2039149447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2039149447 is about 45156.9424009199. The cubic root of 2039149447 is about 1268.0888540385.

The spelling of 2039149447 in words is "two billion, thirty-nine million, one hundred forty-nine thousand, four hundred forty-seven".