3531946469 has 16 divisors (see below), whose sum is σ = 3760473600. Its totient is φ = 3305789184.

The previous prime is 3531946433. The next prime is 3531946477. The reversal of 3531946469 is 9646491353.

It is a happy number.

3531946469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3531946469 is a prime.

It is a super-2 number, since 2×3531946469² = 24949291719763135922, 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 (3531946489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398852 + ... + 3399890.

It is an arithmetic number, because the mean of its divisors is an integer number (235029600).

Almost surely, 2^3531946469 is an apocalyptic number.

It is an amenable number.

3531946469 is a deficient number, since it is larger than the sum of its proper divisors (228527131).

3531946469 is a wasteful number, since it uses less digits than its factorization.

3531946469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its digits is 2099520, while the sum is 50.

The square root of 3531946469 is about 59430.1814653127. The cubic root of 3531946469 is about 1522.8999446670.

The spelling of 3531946469 in words is "three billion, five hundred thirty-one million, nine hundred forty-six thousand, four hundred sixty-nine".