669760753 has 2 divisors, whose sum is σ = 669760754. Its totient is φ = 669760752.

The previous prime is 669760727. The next prime is 669760783. The reversal of 669760753 is 357067966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503015184 + 166745569 = 22428^2 + 12913^2 .

It is a cyclic number.

It is not a de Polignac number, because 669760753 - 2¹³ = 669752561 is a prime.

It is a super-3 number, since 3×669760753³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 669760697 and 669760706.

It is not a weakly prime, because it can be changed into another prime (669760703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334880376 + 334880377.

It is an arithmetic number, because the mean of its divisors is an integer number (334880377).

Almost surely, 2^669760753 is an apocalyptic number.

It is an amenable number.

669760753 is a deficient number, since it is larger than the sum of its proper divisors (1).

669760753 is an equidigital number, since it uses as much as digits as its factorization.

669760753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The square root of 669760753 is about 25879.7363394606. The cubic root of 669760753 is about 874.9298460217.

The spelling of 669760753 in words is "six hundred sixty-nine million, seven hundred sixty thousand, seven hundred fifty-three".