4503340153421 has 4 divisors (see below), whose sum is σ = 4503411529500. Its totient is φ = 4503268777344.

The previous prime is 4503340153399. The next prime is 4503340153423. The reversal of 4503340153421 is 1243510433054.

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 1285661176900 + 3217678976521 = 1133870^2 + 1793789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4503340153421 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 (4503340153423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35593316 + ... + 35719613.

It is an arithmetic number, because the mean of its divisors is an integer number (1125852882375).

Almost surely, 2^{4503340153421} is an apocalyptic number.

It is an amenable number.

4503340153421 is a deficient number, since it is larger than the sum of its proper divisors (71376079).

4503340153421 is an equidigital number, since it uses as much as digits as its factorization.

4503340153421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71376078.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 4503340153421 its reverse (1243510433054), we get a palindrome (5746850586475).

The spelling of 4503340153421 in words is "four trillion, five hundred three billion, three hundred forty million, one hundred fifty-three thousand, four hundred twenty-one".