3471874981 has 2 divisors, whose sum is σ = 3471874982. Its totient is φ = 3471874980.

The previous prime is 3471874951. The next prime is 3471875009. The reversal of 3471874981 is 1894781743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2219352100 + 1252522881 = 47110^2 + 35391^2 .

It is an emirp because it is prime and its reverse (1894781743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3471874981 - 2²³ = 3463486373 is a prime.

It is a super-2 number, since 2×3471874981² = 24107831767387500722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3471874951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735937490 + 1735937491.

It is an arithmetic number, because the mean of its divisors is an integer number (1735937491).

Almost surely, 2^3471874981 is an apocalyptic number.

It is an amenable number.

3471874981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3471874981 is an equidigital number, since it uses as much as digits as its factorization.

3471874981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The square root of 3471874981 is about 58922.6185857350. The cubic root of 3471874981 is about 1514.2166806766.

The spelling of 3471874981 in words is "three billion, four hundred seventy-one million, eight hundred seventy-four thousand, nine hundred eighty-one".