451552102643 has 4 divisors (see below), whose sum is σ = 451737091608. Its totient is φ = 451367113680.

The previous prime is 451552102621. The next prime is 451552102693. The reversal of 451552102643 is 346201255154.

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

It is a cyclic number.

It is not a de Polignac number, because 451552102643 - 2⁸ = 451552102387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451552102597 and 451552102606.

It is not an unprimeable number, because it can be changed into a prime (451552102693) 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, 92490821 + ... + 92495702.

It is an arithmetic number, because the mean of its divisors is an integer number (112934272902).

Almost surely, 2^451552102643 is an apocalyptic number.

451552102643 is a deficient number, since it is larger than the sum of its proper divisors (184988965).

451552102643 is a wasteful number, since it uses less digits than its factorization.

451552102643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184988964.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 451552102643 its reverse (346201255154), we get a palindrome (797753357797).

The spelling of 451552102643 in words is "four hundred fifty-one billion, five hundred fifty-two million, one hundred two thousand, six hundred forty-three".