454215514525199 has 4 divisors (see below), whose sum is σ = 519103445171664. Its totient is φ = 389327583878736.

The previous prime is 454215514525189. The next prime is 454215514525219. The reversal of 454215514525199 is 991525415512454.

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

It is a cyclic number.

It is not a de Polignac number, because 454215514525199 - 2⁴⁰ = 453116002897423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454215514525189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32443965323222 + ... + 32443965323235.

It is an arithmetic number, because the mean of its divisors is an integer number (129775861292916).

Almost surely, 2^{454215514525199} is an apocalyptic number.

454215514525199 is a deficient number, since it is larger than the sum of its proper divisors (64887930646465).

454215514525199 is an equidigital number, since it uses as much as digits as its factorization.

454215514525199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64887930646464.

The product of its digits is 64800000, while the sum is 62.

The spelling of 454215514525199 in words is "four hundred fifty-four trillion, two hundred fifteen billion, five hundred fourteen million, five hundred twenty-five thousand, one hundred ninety-nine".