1042608769 has 2 divisors, whose sum is σ = 1042608770. Its totient is φ = 1042608768.

The previous prime is 1042608737. The next prime is 1042608773. The reversal of 1042608769 is 9678062401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632019600 + 410589169 = 25140^2 + 20263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042608769 - 2⁵ = 1042608737 is a prime.

It is a super-2 number, since 2×1042608769² = 2174066090391390722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042608719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521304384 + 521304385.

It is an arithmetic number, because the mean of its divisors is an integer number (521304385).

Almost surely, 2^1042608769 is an apocalyptic number.

It is an amenable number.

1042608769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042608769 is an equidigital number, since it uses as much as digits as its factorization.

1042608769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1042608769 is about 32289.4529064833. The cubic root of 1042608769 is about 1014.0058435344.

The spelling of 1042608769 in words is "one billion, forty-two million, six hundred eight thousand, seven hundred sixty-nine".