3491903999 has 16 divisors (see below), whose sum is σ = 3852506880. Its totient is φ = 3150259200.

The previous prime is 3491903951. The next prime is 3491904041. The reversal of 3491903999 is 9993091943.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3491903999 - 2¹⁶ = 3491838463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491903939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81599 + ... + 116799.

It is an arithmetic number, because the mean of its divisors is an integer number (240781680).

Almost surely, 2^3491903999 is an apocalyptic number.

3491903999 is a deficient number, since it is larger than the sum of its proper divisors (360602881).

3491903999 is a wasteful number, since it uses less digits than its factorization.

3491903999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35470.

The product of its (nonzero) digits is 2125764, while the sum is 56.

The square root of 3491903999 is about 59092.3345198005. The cubic root of 3491903999 is about 1517.1229046349.

The spelling of 3491903999 in words is "three billion, four hundred ninety-one million, nine hundred three thousand, nine hundred ninety-nine".