1057108669 has 2 divisors, whose sum is σ = 1057108670. Its totient is φ = 1057108668.

The previous prime is 1057108601. The next prime is 1057108697. The reversal of 1057108669 is 9668017501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878351769 + 178756900 = 29637^2 + 13370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057108669 - 2⁷ = 1057108541 is a prime.

It is a super-2 number, since 2×1057108669² = 2234957476149903122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057108069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528554334 + 528554335.

It is an arithmetic number, because the mean of its divisors is an integer number (528554335).

Almost surely, 2^1057108669 is an apocalyptic number.

It is an amenable number.

1057108669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057108669 is an equidigital number, since it uses as much as digits as its factorization.

1057108669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 1057108669 is about 32513.2076086012. The cubic root of 1057108669 is about 1018.6849222158.

The spelling of 1057108669 in words is "one billion, fifty-seven million, one hundred eight thousand, six hundred sixty-nine".