450403102242551 has 4 divisors (see below), whose sum is σ = 461388543760704. Its totient is φ = 439417660724400.

The previous prime is 450403102242497. The next prime is 450403102242557. The reversal of 450403102242551 is 155242201304054.

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 450403102242551 - 2¹⁸ = 450403101980407 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 (450403102242557) 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, 5492720759015 + ... + 5492720759096.

It is an arithmetic number, because the mean of its divisors is an integer number (115347135940176).

Almost surely, 2^{450403102242551} is an apocalyptic number.

450403102242551 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

450403102242551 is a deficient number, since it is larger than the sum of its proper divisors (10985441518153).

450403102242551 is a wasteful number, since it uses less digits than its factorization.

450403102242551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985441518152.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 450403102242551 in words is "four hundred fifty trillion, four hundred three billion, one hundred two million, two hundred forty-two thousand, five hundred fifty-one".