769417669 has 2 divisors, whose sum is σ = 769417670. Its totient is φ = 769417668.

The previous prime is 769417667. The next prime is 769417679. The reversal of 769417669 is 966714967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769396644 + 21025 = 27738^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 769417669 - 2¹ = 769417667 is a prime.

It is a super-2 number, since 2×769417669² = 1184007098738787122, which contains 22 as substring.

Together with 769417667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769417667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384708834 + 384708835.

It is an arithmetic number, because the mean of its divisors is an integer number (384708835).

Almost surely, 2^769417669 is an apocalyptic number.

It is an amenable number.

769417669 is a deficient number, since it is larger than the sum of its proper divisors (1).

769417669 is an equidigital number, since it uses as much as digits as its factorization.

769417669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The square root of 769417669 is about 27738.3789901285. The cubic root of 769417669 is about 916.3345288972.

The spelling of 769417669 in words is "seven hundred sixty-nine million, four hundred seventeen thousand, six hundred sixty-nine".