2190554467 has 2 divisors, whose sum is σ = 2190554468. Its totient is φ = 2190554466.

The previous prime is 2190554447. The next prime is 2190554473. The reversal of 2190554467 is 7644550912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190554467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190554407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095277233 + 1095277234.

It is an arithmetic number, because the mean of its divisors is an integer number (1095277234).

Almost surely, 2^2190554467 is an apocalyptic number.

2190554467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190554467 is an equidigital number, since it uses as much as digits as its factorization.

2190554467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2190554467 is about 46803.3595695865. The cubic root of 2190554467 is about 1298.7274464358.

The spelling of 2190554467 in words is "two billion, one hundred ninety million, five hundred fifty-four thousand, four hundred sixty-seven".