450506501299 has 4 divisors (see below), whose sum is σ = 450508015800. Its totient is φ = 450504986800.

The previous prime is 450506501257. The next prime is 450506501303. The reversal of 450506501299 is 992105605054.

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 450506501299 - 2¹¹ = 450506499251 is a prime.

It is a super-2 number, since 2×450506501299² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450506501239) 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, 147277 + ... + 960574.

It is an arithmetic number, because the mean of its divisors is an integer number (112627003950).

Almost surely, 2^450506501299 is an apocalyptic number.

450506501299 is a deficient number, since it is larger than the sum of its proper divisors (1514501).

450506501299 is a wasteful number, since it uses less digits than its factorization.

450506501299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514500.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 450506501299 in words is "four hundred fifty billion, five hundred six million, five hundred one thousand, two hundred ninety-nine".