454411381 has 2 divisors, whose sum is σ = 454411382. Its totient is φ = 454411380.

The previous prime is 454411379. The next prime is 454411457. The reversal of 454411381 is 183114454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447703281 + 6708100 = 21159^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 454411381 - 2¹ = 454411379 is a prime.

It is a super-2 number, since 2×454411381² = 412979406364654322, which contains 22 as substring.

Together with 454411379, 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 (454411301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227205690 + 227205691.

It is an arithmetic number, because the mean of its divisors is an integer number (227205691).

Almost surely, 2^454411381 is an apocalyptic number.

It is an amenable number.

454411381 is a deficient number, since it is larger than the sum of its proper divisors (1).

454411381 is an equidigital number, since it uses as much as digits as its factorization.

454411381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 454411381 is about 21316.9271003116. The cubic root of 454411381 is about 768.8053555574.

The spelling of 454411381 in words is "four hundred fifty-four million, four hundred eleven thousand, three hundred eighty-one".