2005223091451 has 2 divisors, whose sum is σ = 2005223091452. Its totient is φ = 2005223091450.

The previous prime is 2005223091427. The next prime is 2005223091499. The reversal of 2005223091451 is 1541903225002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005223091451 - 2⁷ = 2005223091323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005223091401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002611545725 + 1002611545726.

It is an arithmetic number, because the mean of its divisors is an integer number (1002611545726).

Almost surely, 2^{2005223091451} is an apocalyptic number.

2005223091451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005223091451 is an equidigital number, since it uses as much as digits as its factorization.

2005223091451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 2005223091451 in words is "two trillion, five billion, two hundred twenty-three million, ninety-one thousand, four hundred fifty-one".