3968492549 has 8 divisors (see below), whose sum is σ = 4542971328. Its totient is φ = 3395901600.

The previous prime is 3968492527. The next prime is 3968492569. The reversal of 3968492549 is 9452948693.

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

It is not a de Polignac number, because 3968492549 - 2¹⁶ = 3968427013 is a prime.

It is a super-2 number, since 2×3968492549² = 31497866222937034802, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968492509) 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 7 ways as a sum of consecutive naturals, for example, 467447 + ... + 475860.

It is an arithmetic number, because the mean of its divisors is an integer number (567871416).

Almost surely, 2^3968492549 is an apocalyptic number.

It is an amenable number.

3968492549 is a deficient number, since it is larger than the sum of its proper divisors (574478779).

3968492549 is an equidigital number, since it uses as much as digits as its factorization.

3968492549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943915.

The product of its digits is 16796160, while the sum is 59.

The square root of 3968492549 is about 62995.9724823738. The cubic root of 3968492549 is about 1583.2221470609. Note that the first 3 decimals are identical.

The spelling of 3968492549 in words is "three billion, nine hundred sixty-eight million, four hundred ninety-two thousand, five hundred forty-nine".