3491089542 has 96 divisors (see below), whose sum is σ = 8019816480. Its totient is φ = 1095843840.

The previous prime is 3491089541. The next prime is 3491089577. The reversal of 3491089542 is 2459801943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491089541) 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 47 ways as a sum of consecutive naturals, for example, 7109917 + ... + 7110407.

It is an arithmetic number, because the mean of its divisors is an integer number (83539755).

Almost surely, 2^3491089542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491089542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4009908240).

3491089542 is an abundant number, since it is smaller than the sum of its proper divisors (4528726938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491089542 is a wasteful number, since it uses less digits than its factorization.

3491089542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3491089542 is about 59085.4427249217. The cubic root of 3491089542 is about 1517.0049434453.

The spelling of 3491089542 in words is "three billion, four hundred ninety-one million, eighty-nine thousand, five hundred forty-two".