50660959669 has 2 divisors, whose sum is σ = 50660959670. Its totient is φ = 50660959668.

The previous prime is 50660959621. The next prime is 50660959697. The reversal of 50660959669 is 96695906605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28187052100 + 22473907569 = 167890^2 + 149913^2 .

It is a cyclic number.

It is not a de Polignac number, because 50660959669 - 2²¹ = 50658862517 is a prime.

It is a super-2 number, since 2×50660959669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50660959619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25330479834 + 25330479835.

It is an arithmetic number, because the mean of its divisors is an integer number (25330479835).

Almost surely, 2^50660959669 is an apocalyptic number.

It is an amenable number.

50660959669 is a deficient number, since it is larger than the sum of its proper divisors (1).

50660959669 is an equidigital number, since it uses as much as digits as its factorization.

50660959669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23619600, while the sum is 61.

The spelling of 50660959669 in words is "fifty billion, six hundred sixty million, nine hundred fifty-nine thousand, six hundred sixty-nine".