2007505606669 has 2 divisors, whose sum is σ = 2007505606670. Its totient is φ = 2007505606668.

The previous prime is 2007505606651. The next prime is 2007505606679. The reversal of 2007505606669 is 9666065057002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897128833769 + 110376772900 = 1377363^2 + 332230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007505606669 - 2⁷ = 2007505606541 is a prime.

It is a super-2 number, since 2×2007505606669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2007505606679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003752803334 + 1003752803335.

It is an arithmetic number, because the mean of its divisors is an integer number (1003752803335).

Almost surely, 2^{2007505606669} is an apocalyptic number.

It is an amenable number.

2007505606669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007505606669 is an equidigital number, since it uses as much as digits as its factorization.

2007505606669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 2007505606669 in words is "two trillion, seven billion, five hundred five million, six hundred six thousand, six hundred sixty-nine".