4153440493 has 4 divisors (see below), whose sum is σ = 4397760540. Its totient is φ = 3909120448.

The previous prime is 4153440463. The next prime is 4153440503. The reversal of 4153440493 is 3940443514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1708830244 + 2444610249 = 41338^2 + 49443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4153440493 - 2⁵ = 4153440461 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 (4153440463) 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, 122159998 + ... + 122160031.

It is an arithmetic number, because the mean of its divisors is an integer number (1099440135).

Almost surely, 2^4153440493 is an apocalyptic number.

It is an amenable number.

4153440493 is a deficient number, since it is larger than the sum of its proper divisors (244320047).

4153440493 is a wasteful number, since it uses less digits than its factorization.

4153440493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244320046.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 4153440493 is about 64447.1915059144. The cubic root of 4153440493 is about 1607.4445389126. Note that the first 3 decimals are identical.

The spelling of 4153440493 in words is "four billion, one hundred fifty-three million, four hundred forty thousand, four hundred ninety-three".