3531381919 has 6 divisors (see below), whose sum is σ = 3823922616. Its totient is φ = 3259737000.

The previous prime is 3531381913. The next prime is 3531381979. The reversal of 3531381919 is 9191831353.

It is not a de Polignac number, because 3531381919 - 2³ = 3531381911 is a prime.

It is a super-2 number, since 2×3531381919² = 24941316515680245122, 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 (3531381911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10447707 + ... + 10448044.

It is an arithmetic number, because the mean of its divisors is an integer number (637320436).

Almost surely, 2^3531381919 is an apocalyptic number.

3531381919 is a deficient number, since it is larger than the sum of its proper divisors (292540697).

3531381919 is a wasteful number, since it uses less digits than its factorization.

3531381919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20895777 (or 20895764 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 3531381919 is about 59425.4315844656. The cubic root of 3531381919 is about 1522.8187997060.

The spelling of 3531381919 in words is "three billion, five hundred thirty-one million, three hundred eighty-one thousand, nine hundred nineteen".