3490812149 has 4 divisors (see below), whose sum is σ = 3808158720. Its totient is φ = 3173465580.

The previous prime is 3490812121. The next prime is 3490812161. The reversal of 3490812149 is 9412180943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3490812149 - 2¹⁶ = 3490746613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490812049) 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 3 ways as a sum of consecutive naturals, for example, 158673269 + ... + 158673290.

It is an arithmetic number, because the mean of its divisors is an integer number (952039680).

Almost surely, 2^3490812149 is an apocalyptic number.

It is an amenable number.

3490812149 is a deficient number, since it is larger than the sum of its proper divisors (317346571).

3490812149 is a wasteful number, since it uses less digits than its factorization.

3490812149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317346570.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3490812149 is about 59083.0952896004. The cubic root of 3490812149 is about 1516.9647632768.

The spelling of 3490812149 in words is "three billion, four hundred ninety million, eight hundred twelve thousand, one hundred forty-nine".