3523780981 has 8 divisors (see below), whose sum is σ = 4166046720. Its totient is φ = 2916232368.

The previous prime is 3523780979. The next prime is 3523780991. The reversal of 3523780981 is 1890873253.

3523780981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3523780981 - 2¹ = 3523780979 is a prime.

It is a super-2 number, since 2×3523780981² = 24834064804114644722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3523780901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8679061 + ... + 8679466.

It is an arithmetic number, because the mean of its divisors is an integer number (520755840).

Almost surely, 2^3523780981 is an apocalyptic number.

It is an amenable number.

3523780981 is a deficient number, since it is larger than the sum of its proper divisors (642265739).

3523780981 is a wasteful number, since it uses less digits than its factorization.

3523780981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17358563.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 3523780981 is about 59361.4435555605. The cubic root of 3523780981 is about 1521.7254443706.

The spelling of 3523780981 in words is "three billion, five hundred twenty-three million, seven hundred eighty thousand, nine hundred eighty-one".