3128552447 has 2 divisors, whose sum is σ = 3128552448. Its totient is φ = 3128552446.

The previous prime is 3128552411. The next prime is 3128552489. The reversal of 3128552447 is 7442558213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3128552447 - 2¹⁴ = 3128536063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3128554447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564276223 + 1564276224.

It is an arithmetic number, because the mean of its divisors is an integer number (1564276224).

Almost surely, 2^3128552447 is an apocalyptic number.

3128552447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128552447 is an equidigital number, since it uses as much as digits as its factorization.

3128552447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 41.

The square root of 3128552447 is about 55933.4644644867. The cubic root of 3128552447 is about 1462.5626549435.

The spelling of 3128552447 in words is "three billion, one hundred twenty-eight million, five hundred fifty-two thousand, four hundred forty-seven".