531949099 has 8 divisors (see below), whose sum is σ = 610850880. Its totient is φ = 458137800.

The previous prime is 531949073. The next prime is 531949147. The reversal of 531949099 is 990949135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531949099 - 2⁹ = 531948587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531949009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272397 + ... + 1272814.

It is an arithmetic number, because the mean of its divisors is an integer number (76356360).

Almost surely, 2^531949099 is an apocalyptic number.

531949099 is a deficient number, since it is larger than the sum of its proper divisors (78901781).

531949099 is a wasteful number, since it uses less digits than its factorization.

531949099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545241.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 531949099 is about 23064.0217438330. The cubic root of 531949099 is about 810.2580588114.

The spelling of 531949099 in words is "five hundred thirty-one million, nine hundred forty-nine thousand, ninety-nine".