453464639331649 has 48 divisors (see below), whose sum is σ = 510657341806080. Its totient is φ = 402190043904000.

The previous prime is 453464639331647. The next prime is 453464639331661. The reversal of 453464639331649 is 946133936464354.

It is not a de Polignac number, because 453464639331649 - 2¹ = 453464639331647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453464639331647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3395578372 + ... + 3395711914.

It is an arithmetic number, because the mean of its divisors is an integer number (10638694620960).

Almost surely, 2^{453464639331649} is an apocalyptic number.

It is an amenable number.

453464639331649 is a deficient number, since it is larger than the sum of its proper divisors (57192702474431).

453464639331649 is a wasteful number, since it uses less digits than its factorization.

453464639331649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135502 (or 135491 counting only the distinct ones).

The product of its digits is 1813985280, while the sum is 70.

The spelling of 453464639331649 in words is "four hundred fifty-three trillion, four hundred sixty-four billion, six hundred thirty-nine million, three hundred thirty-one thousand, six hundred forty-nine".