4639696769 has 2 divisors, whose sum is σ = 4639696770. Its totient is φ = 4639696768.

The previous prime is 4639696759. The next prime is 4639696799. The reversal of 4639696769 is 9676969364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2860966144 + 1778730625 = 53488^2 + 42175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4639696769 - 2⁴ = 4639696753 is a prime.

It is a super-2 number, since 2×4639696769² = 43053572216538078722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4639696739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319848384 + 2319848385.

It is an arithmetic number, because the mean of its divisors is an integer number (2319848385).

Almost surely, 2^4639696769 is an apocalyptic number.

It is an amenable number.

4639696769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4639696769 is an equidigital number, since it uses as much as digits as its factorization.

4639696769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79361856, while the sum is 65.

The square root of 4639696769 is about 68115.3196351599. The cubic root of 4639696769 is about 1667.8738488068.

The spelling of 4639696769 in words is "four billion, six hundred thirty-nine million, six hundred ninety-six thousand, seven hundred sixty-nine".