67452541430503 has 4 divisors (see below), whose sum is σ = 68459295780280. Its totient is φ = 66445787080728.

The previous prime is 67452541430441. The next prime is 67452541430531. The reversal of 67452541430503 is 30503414525476.

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

It is a de Polignac number, because none of the positive numbers 2^k-67452541430503 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67452541430803) 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, 503377174788 + ... + 503377174921.

It is an arithmetic number, because the mean of its divisors is an integer number (17114823945070).

Almost surely, 2^{67452541430503} is an apocalyptic number.

67452541430503 is a deficient number, since it is larger than the sum of its proper divisors (1006754349777).

67452541430503 is a wasteful number, since it uses less digits than its factorization.

67452541430503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006754349776.

The product of its (nonzero) digits is 6048000, while the sum is 49.

Adding to 67452541430503 its reverse (30503414525476), we get a palindrome (97955955955979).

The spelling of 67452541430503 in words is "sixty-seven trillion, four hundred fifty-two billion, five hundred forty-one million, four hundred thirty thousand, five hundred three".