769467559249 has 9 divisors (see below), whose sum is σ = 771159867177. Its totient is φ = 767778962724.

The previous prime is 769467559193. The next prime is 769467559253. The reversal of 769467559249 is 942955764967.

The square root of 769467559249 is 877193.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 769467559249 - 2⁷ = 769467559121 is a prime.

It is a super-2 number, since 2×769467559249² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769467529249) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 648245034 + ... + 648246220.

Almost surely, 2^769467559249 is an apocalyptic number.

769467559249 is the 877193-rd square number.

769467559249 is the 438597-th centered octagonal number.

It is an amenable number.

769467559249 is a deficient number, since it is larger than the sum of its proper divisors (1692307928).

769467559249 is an frugal number, since it uses more digits than its factorization.

769467559249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 1926 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 73.

The spelling of 769467559249 in words is "seven hundred sixty-nine billion, four hundred sixty-seven million, five hundred fifty-nine thousand, two hundred forty-nine".