3493827823 has 4 divisors (see below), whose sum is σ = 3588255640. Its totient is φ = 3399400008.

The previous prime is 3493827781. The next prime is 3493827829. The reversal of 3493827823 is 3287283943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3287283943 = 59 ⋅55716677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3493827823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493827829) 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 3 ways as a sum of consecutive naturals, for example, 47213853 + ... + 47213926.

It is an arithmetic number, because the mean of its divisors is an integer number (897063910).

Almost surely, 2^3493827823 is an apocalyptic number.

3493827823 is a deficient number, since it is larger than the sum of its proper divisors (94427817).

3493827823 is an equidigital number, since it uses as much as digits as its factorization.

3493827823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94427816.

The product of its digits is 1741824, while the sum is 49.

The square root of 3493827823 is about 59108.6103964558. The cubic root of 3493827823 is about 1517.4014672391.

The spelling of 3493827823 in words is "three billion, four hundred ninety-three million, eight hundred twenty-seven thousand, eight hundred twenty-three".