3472771012891 has 2 divisors, whose sum is σ = 3472771012892. Its totient is φ = 3472771012890.

The previous prime is 3472771012847. The next prime is 3472771012987. The reversal of 3472771012891 is 1982101772743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3472771012891 - 2²¹ = 3472768915739 is a prime.

It is not a weakly prime, because it can be changed into another prime (3472771013891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736385506445 + 1736385506446.

It is an arithmetic number, because the mean of its divisors is an integer number (1736385506446).

Almost surely, 2^{3472771012891} is an apocalyptic number.

3472771012891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3472771012891 is an equidigital number, since it uses as much as digits as its factorization.

3472771012891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 3472771012891 in words is "three trillion, four hundred seventy-two billion, seven hundred seventy-one million, twelve thousand, eight hundred ninety-one".