3437829981 has 12 divisors (see below), whose sum is σ = 5257857852. Its totient is φ = 2157069696.

The previous prime is 3437829973. The next prime is 3437829991. The reversal of 3437829981 is 1899287343.

3437829981 is a `hidden beast` number, since 343 + 7 + 8 + 299 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2414149956 + 1023680025 = 49134^2 + 31995^2 .

It is not a de Polignac number, because 3437829981 - 2³ = 3437829973 is a prime.

It is a super-2 number, since 2×3437829981² = 23637349956524920722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3437829931) 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 11 ways as a sum of consecutive naturals, for example, 11234586 + ... + 11234891.

It is an arithmetic number, because the mean of its divisors is an integer number (438154821).

Almost surely, 2^3437829981 is an apocalyptic number.

It is an amenable number.

3437829981 is a deficient number, since it is larger than the sum of its proper divisors (1820027871).

3437829981 is a wasteful number, since it uses less digits than its factorization.

3437829981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22469500 (or 22469497 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3437829981 is about 58633.0110176853. The cubic root of 3437829981 is about 1509.2509743596.

The spelling of 3437829981 in words is "three billion, four hundred thirty-seven million, eight hundred twenty-nine thousand, nine hundred eighty-one".