906376769 has 2 divisors, whose sum is σ = 906376770. Its totient is φ = 906376768.

The previous prime is 906376739. The next prime is 906376771. The reversal of 906376769 is 967673609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811509169 + 94867600 = 28487^2 + 9740^2 .

It is a cyclic number.

It is not a de Polignac number, because 906376769 - 2¹² = 906372673 is a prime.

It is a super-2 number, since 2×906376769² = 1643037694765758722, which contains 22 as substring.

Together with 906376771, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 906376769.

It is not a weakly prime, because it can be changed into another prime (906376739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453188384 + 453188385.

It is an arithmetic number, because the mean of its divisors is an integer number (453188385).

Almost surely, 2^906376769 is an apocalyptic number.

It is an amenable number.

906376769 is a deficient number, since it is larger than the sum of its proper divisors (1).

906376769 is an equidigital number, since it uses as much as digits as its factorization.

906376769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 906376769 is about 30106.0918918414. The cubic root of 906376769 is about 967.7642805507.

The spelling of 906376769 in words is "nine hundred six million, three hundred seventy-six thousand, seven hundred sixty-nine".