451153396549 has 8 divisors (see below), whose sum is σ = 452572104600. Its totient is φ = 449736573696.

The previous prime is 451153396531. The next prime is 451153396567. The reversal of 451153396549 is 945693351154.

It is an interprime number because it is at equal distance from previous prime (451153396531) and next prime (451153396567).

It can be written as a sum of positive squares in 4 ways, for example, as 249985000225 + 201168396324 = 499985^2 + 448518^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 451153396549 - 2²¹ = 451151299397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451153396549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451153336549) 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 7 ways as a sum of consecutive naturals, for example, 8847 + ... + 949939.

It is an arithmetic number, because the mean of its divisors is an integer number (56571513075).

Almost surely, 2^451153396549 is an apocalyptic number.

It is an amenable number.

451153396549 is a deficient number, since it is larger than the sum of its proper divisors (1418708051).

451153396549 is a wasteful number, since it uses less digits than its factorization.

451153396549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942599.

The product of its digits is 8748000, while the sum is 55.

The spelling of 451153396549 in words is "four hundred fifty-one billion, one hundred fifty-three million, three hundred ninety-six thousand, five hundred forty-nine".