2529520769 has 2 divisors, whose sum is σ = 2529520770. Its totient is φ = 2529520768.

The previous prime is 2529520759. The next prime is 2529520781. The reversal of 2529520769 is 9670259252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1557328369 + 972192400 = 39463^2 + 31180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2529520769 - 2¹⁶ = 2529455233 is a prime.

It is a super-2 number, since 2×2529520769² = 12796950641604702722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2529520739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264760384 + 1264760385.

It is an arithmetic number, because the mean of its divisors is an integer number (1264760385).

Almost surely, 2^2529520769 is an apocalyptic number.

It is an amenable number.

2529520769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2529520769 is an equidigital number, since it uses as much as digits as its factorization.

2529520769 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 2529520769 is about 50294.3413218624. The cubic root of 2529520769 is about 1362.5300310862.

It can be divided in two parts, 25295 and 20769, that added together give a palindrome (46064).

The spelling of 2529520769 in words is "two billion, five hundred twenty-nine million, five hundred twenty thousand, seven hundred sixty-nine".