4297439240669 has 2 divisors, whose sum is σ = 4297439240670. Its totient is φ = 4297439240668.

The previous prime is 4297439240617. The next prime is 4297439240693. The reversal of 4297439240669 is 9660429347924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2254292044900 + 2043147195769 = 1501430^2 + 1429387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4297439240669 is a prime.

It is a super-2 number, since 2×4297439240669² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4297439240069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2148719620334 + 2148719620335.

It is an arithmetic number, because the mean of its divisors is an integer number (2148719620335).

Almost surely, 2^{4297439240669} is an apocalyptic number.

It is an amenable number.

4297439240669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4297439240669 is an equidigital number, since it uses as much as digits as its factorization.

4297439240669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141087744, while the sum is 65.

The spelling of 4297439240669 in words is "four trillion, two hundred ninety-seven billion, four hundred thirty-nine million, two hundred forty thousand, six hundred sixty-nine".