454672864180447 has 4 divisors (see below), whose sum is σ = 496006760924136. Its totient is φ = 413338967436760.

The previous prime is 454672864180373. The next prime is 454672864180453. The reversal of 454672864180447 is 744081468276454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454672864180447 is a prime.

It is a super-2 number, since 2×454672864180447² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454672864180547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20666948371828 + ... + 20666948371849.

It is an arithmetic number, because the mean of its divisors is an integer number (124001690231034).

Almost surely, 2^{454672864180447} is an apocalyptic number.

454672864180447 is a deficient number, since it is larger than the sum of its proper divisors (41333896743689).

454672864180447 is a wasteful number, since it uses less digits than its factorization.

454672864180447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41333896743688.

The product of its (nonzero) digits is 1156055040, while the sum is 70.

The spelling of 454672864180447 in words is "four hundred fifty-four trillion, six hundred seventy-two billion, eight hundred sixty-four million, one hundred eighty thousand, four hundred forty-seven".