3478491361 has 2 divisors, whose sum is σ = 3478491362. Its totient is φ = 3478491360.

The previous prime is 3478491353. The next prime is 3478491473. The reversal of 3478491361 is 1631948743.

3478491361 is digitally balanced in base 2, because in such base 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., 3430327761 + 48163600 = 58569^2 + 6940^2 .

It is an emirp because it is prime and its reverse (1631948743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3478491361 - 2³ = 3478491353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3478491311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739245680 + 1739245681.

It is an arithmetic number, because the mean of its divisors is an integer number (1739245681).

Almost surely, 2^3478491361 is an apocalyptic number.

It is an amenable number.

3478491361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478491361 is an equidigital number, since it uses as much as digits as its factorization.

3478491361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 3478491361 is about 58978.7365157986. The cubic root of 3478491361 is about 1515.1779552568.

The spelling of 3478491361 in words is "three billion, four hundred seventy-eight million, four hundred ninety-one thousand, three hundred sixty-one".