451442041243503 has 8 divisors (see below), whose sum is σ = 601922822861616. Its totient is φ = 300961310227200.

The previous prime is 451442041243489. The next prime is 451442041243519. The reversal of 451442041243503 is 305342140244154.

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

It is not a de Polignac number, because 451442041243503 - 2⁹ = 451442041242991 is a prime.

It is a super-2 number, since 2×451442041243503² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451442041243603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20808223 + ... + 36549503.

It is an arithmetic number, because the mean of its divisors is an integer number (75240352857702).

Almost surely, 2^{451442041243503} is an apocalyptic number.

451442041243503 is a deficient number, since it is larger than the sum of its proper divisors (150480781618113).

451442041243503 is a wasteful number, since it uses less digits than its factorization.

451442041243503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300905.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 451442041243503 its reverse (305342140244154), we get a palindrome (756784181487657).

The spelling of 451442041243503 in words is "four hundred fifty-one trillion, four hundred forty-two billion, forty-one million, two hundred forty-three thousand, five hundred three".