454838645405487 has 32 divisors (see below), whose sum is σ = 729606495859200. Its totient is φ = 246214686883968.

The previous prime is 454838645405483. The next prime is 454838645405519. The reversal of 454838645405487 is 784504546838454.

It is not a de Polignac number, because 454838645405487 - 2² = 454838645405483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454838645405483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24680388 + ... + 38971769.

It is an arithmetic number, because the mean of its divisors is an integer number (22800202995600).

Almost surely, 2^{454838645405487} is an apocalyptic number.

454838645405487 is a deficient number, since it is larger than the sum of its proper divisors (274767850453713).

454838645405487 is a wasteful number, since it uses less digits than its factorization.

454838645405487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63670095.

The product of its (nonzero) digits is 8257536000, while the sum is 75.

The spelling of 454838645405487 in words is "four hundred fifty-four trillion, eight hundred thirty-eight billion, six hundred forty-five million, four hundred five thousand, four hundred eighty-seven".