451002207049 has 4 divisors (see below), whose sum is σ = 451198553364. Its totient is φ = 450805860736.

The previous prime is 451002207011. The next prime is 451002207067. The reversal of 451002207049 is 940702200154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 312073063225 + 138929143824 = 558635^2 + 372732^2 .

It is a cyclic number.

It is not a de Polignac number, because 451002207049 - 2¹⁵ = 451002174281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451002207079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98169712 + ... + 98174305.

It is an arithmetic number, because the mean of its divisors is an integer number (112799638341).

Almost surely, 2^451002207049 is an apocalyptic number.

It is an amenable number.

451002207049 is a deficient number, since it is larger than the sum of its proper divisors (196346315).

451002207049 is a wasteful number, since it uses less digits than its factorization.

451002207049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196346314.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 451002207049 in words is "four hundred fifty-one billion, two million, two hundred seven thousand, forty-nine".