454643888416851 has 32 divisors (see below), whose sum is σ = 698924772748800. Its totient is φ = 257496246572544.

The previous prime is 454643888416841. The next prime is 454643888416897. The reversal of 454643888416851 is 158614888346454.

It is not a de Polignac number, because 454643888416851 - 2⁵ = 454643888416819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (454643888416801) 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, 1012009425 + ... + 1012458573.

It is an arithmetic number, because the mean of its divisors is an integer number (21841399148400).

Almost surely, 2^{454643888416851} is an apocalyptic number.

454643888416851 is a deficient number, since it is larger than the sum of its proper divisors (244280884331949).

454643888416851 is a wasteful number, since it uses less digits than its factorization.

454643888416851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875835.

The product of its digits is 2831155200, while the sum is 75.

The spelling of 454643888416851 in words is "four hundred fifty-four trillion, six hundred forty-three billion, eight hundred eighty-eight million, four hundred sixteen thousand, eight hundred fifty-one".