4454021131999 has 2 divisors, whose sum is σ = 4454021132000. Its totient is φ = 4454021131998.

The previous prime is 4454021131997. The next prime is 4454021132053. The reversal of 4454021131999 is 9991311204544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4454021131999 - 2¹ = 4454021131997 is a prime.

Together with 4454021131997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454021131997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227010565999 + 2227010566000.

It is an arithmetic number, because the mean of its divisors is an integer number (2227010566000).

Almost surely, 2^{4454021131999} is an apocalyptic number.

4454021131999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454021131999 is an equidigital number, since it uses as much as digits as its factorization.

4454021131999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 4454021131999 in words is "four trillion, four hundred fifty-four billion, twenty-one million, one hundred thirty-one thousand, nine hundred ninety-nine".