3437681905 has 32 divisors (see below), whose sum is σ = 4862177280. Its totient is φ = 2284578240.

The previous prime is 3437681903. The next prime is 3437681917. The reversal of 3437681905 is 5091867343.

It is not a de Polignac number, because 3437681905 - 2¹ = 3437681903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3437681903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134892 + ... + 158338.

It is an arithmetic number, because the mean of its divisors is an integer number (151943040).

Almost surely, 2^3437681905 is an apocalyptic number.

3437681905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3437681905 is a deficient number, since it is larger than the sum of its proper divisors (1424495375).

3437681905 is a wasteful number, since it uses less digits than its factorization.

3437681905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23589.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 3437681905 is about 58631.7482683230. The cubic root of 3437681905 is about 1509.2293049676.

It can be divided in two parts, 34376 and 81905, that added together give a square (116281 = 341²).

The spelling of 3437681905 in words is "three billion, four hundred thirty-seven million, six hundred eighty-one thousand, nine hundred five".