3437894281 has 2 divisors, whose sum is σ = 3437894282. Its totient is φ = 3437894280.

The previous prime is 3437894269. The next prime is 3437894287. The reversal of 3437894281 is 1824987343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1888684681 + 1549209600 = 43459^2 + 39360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3437894281 is a prime.

It is a super-2 number, since 2×3437894281² = 23638234174665013922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3437894287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718947140 + 1718947141.

It is an arithmetic number, because the mean of its divisors is an integer number (1718947141).

Almost surely, 2^3437894281 is an apocalyptic number.

It is an amenable number.

3437894281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3437894281 is an equidigital number, since it uses as much as digits as its factorization.

3437894281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 3437894281 is about 58633.5593410463. The cubic root of 3437894281 is about 1509.2603838061.

The spelling of 3437894281 in words is "three billion, four hundred thirty-seven million, eight hundred ninety-four thousand, two hundred eighty-one".