454444216153 has 2 divisors, whose sum is σ = 454444216154. Its totient is φ = 454444216152.

The previous prime is 454444216151. The next prime is 454444216183. The reversal of 454444216153 is 351612444454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272637489609 + 181806726544 = 522147^2 + 426388^2 .

It is a cyclic number.

It is not a de Polignac number, because 454444216153 - 2¹ = 454444216151 is a prime.

It is a super-2 number, since 2×454444216153² (a number of 24 digits) contains 22 as substring.

Together with 454444216151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (454444216151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227222108076 + 227222108077.

It is an arithmetic number, because the mean of its divisors is an integer number (227222108077).

Almost surely, 2^454444216153 is an apocalyptic number.

It is an amenable number.

454444216153 is a deficient number, since it is larger than the sum of its proper divisors (1).

454444216153 is an equidigital number, since it uses as much as digits as its factorization.

454444216153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921600, while the sum is 43.

The spelling of 454444216153 in words is "four hundred fifty-four billion, four hundred forty-four million, two hundred sixteen thousand, one hundred fifty-three".