1054491769 has 2 divisors, whose sum is σ = 1054491770. Its totient is φ = 1054491768.

The previous prime is 1054491733. The next prime is 1054491797. The reversal of 1054491769 is 9671944501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 937094544 + 117397225 = 30612^2 + 10835^2 .

It is an emirp because it is prime and its reverse (9671944501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1054491769 - 2¹⁵ = 1054459001 is a prime.

It is a super-2 number, since 2×1054491769² = 2223905781777498722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1054491799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527245884 + 527245885.

It is an arithmetic number, because the mean of its divisors is an integer number (527245885).

Almost surely, 2^1054491769 is an apocalyptic number.

It is an amenable number.

1054491769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054491769 is an equidigital number, since it uses as much as digits as its factorization.

1054491769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1054491769 is about 32472.9390262107. The cubic root of 1054491769 is about 1017.8436339512.

The spelling of 1054491769 in words is "one billion, fifty-four million, four hundred ninety-one thousand, seven hundred sixty-nine".