450508149447 has 16 divisors (see below), whose sum is σ = 619139222112. Its totient is φ = 291166531200.

The previous prime is 450508149433. The next prime is 450508149493. The reversal of 450508149447 is 744941805054.

It is not a de Polignac number, because 450508149447 - 2⁴ = 450508149431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450508149447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450508149947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7295304 + ... + 7356797.

It is an arithmetic number, because the mean of its divisors is an integer number (38696201382).

Almost surely, 2^450508149447 is an apocalyptic number.

450508149447 is a deficient number, since it is larger than the sum of its proper divisors (168631072665).

450508149447 is a wasteful number, since it uses less digits than its factorization.

450508149447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652418.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 450508149447 in words is "four hundred fifty billion, five hundred eight million, one hundred forty-nine thousand, four hundred forty-seven".