1054906819 has 2 divisors, whose sum is σ = 1054906820. Its totient is φ = 1054906818.

The previous prime is 1054906789. The next prime is 1054906883. The reversal of 1054906819 is 9186094501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1054906819 - 2⁷ = 1054906691 is a prime.

It is a super-2 number, since 2×1054906819² = 2225656793545397522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1054906019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527453409 + 527453410.

It is an arithmetic number, because the mean of its divisors is an integer number (527453410).

Almost surely, 2^1054906819 is an apocalyptic number.

1054906819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054906819 is an equidigital number, since it uses as much as digits as its factorization.

1054906819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1054906819 is about 32479.3291032928. The cubic root of 1054906819 is about 1017.9771581753.

The spelling of 1054906819 in words is "one billion, fifty-four million, nine hundred six thousand, eight hundred nineteen".