1055266769 has 2 divisors, whose sum is σ = 1055266770. Its totient is φ = 1055266768.

The previous prime is 1055266759. The next prime is 1055266811. The reversal of 1055266769 is 9676625501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042450369 + 12816400 = 32287^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055266769 - 2¹² = 1055262673 is a prime.

It is a super-2 number, since 2×1055266769² = 2227175907511398722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055266739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527633384 + 527633385.

It is an arithmetic number, because the mean of its divisors is an integer number (527633385).

Almost surely, 2^1055266769 is an apocalyptic number.

It is an amenable number.

1055266769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055266769 is an equidigital number, since it uses as much as digits as its factorization.

1055266769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 1055266769 is about 32484.8698473612. The cubic root of 1055266769 is about 1018.0929280244.

The spelling of 1055266769 in words is "one billion, fifty-five million, two hundred sixty-six thousand, seven hundred sixty-nine".