3447275475881 has 2 divisors, whose sum is σ = 3447275475882. Its totient is φ = 3447275475880.

The previous prime is 3447275475827. The next prime is 3447275475949. The reversal of 3447275475881 is 1885745727443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3447275475856 + 25 = 1856684^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 3447275475881 - 2⁶ = 3447275475817 is a prime.

It is a super-2 number, since 2×3447275475881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3447275475811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723637737940 + 1723637737941.

It is an arithmetic number, because the mean of its divisors is an integer number (1723637737941).

Almost surely, 2^{3447275475881} is an apocalyptic number.

It is an amenable number.

3447275475881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3447275475881 is an equidigital number, since it uses as much as digits as its factorization.

3447275475881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210739200, while the sum is 65.

The spelling of 3447275475881 in words is "three trillion, four hundred forty-seven billion, two hundred seventy-five million, four hundred seventy-five thousand, eight hundred eighty-one".