4959565969949 has 2 divisors, whose sum is σ = 4959565969950. Its totient is φ = 4959565969948.

The previous prime is 4959565969933. The next prime is 4959565969957. The reversal of 4959565969949 is 9499695659594.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3072157101049 + 1887408868900 = 1752757^2 + 1373830^2 .

It is a cyclic number.

It is not a de Polignac number, because 4959565969949 - 2⁴ = 4959565969933 is a prime.

It is a super-2 number, since 2×4959565969949² (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 (4959565969909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2479782984974 + 2479782984975.

It is an arithmetic number, because the mean of its divisors is an integer number (2479782984975).

Almost surely, 2^{4959565969949} is an apocalyptic number.

It is an amenable number.

4959565969949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4959565969949 is an equidigital number, since it uses as much as digits as its factorization.

4959565969949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38263752000, while the sum is 89.

The spelling of 4959565969949 in words is "four trillion, nine hundred fifty-nine billion, five hundred sixty-five million, nine hundred sixty-nine thousand, nine hundred forty-nine".