561010499971 has 2 divisors, whose sum is σ = 561010499972. Its totient is φ = 561010499970.

The previous prime is 561010499963. The next prime is 561010500047. The reversal of 561010499971 is 179994010165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561010499971 - 2³ = 561010499963 is a prime.

It is a super-2 number, since 2×561010499971² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (561010499911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280505249985 + 280505249986.

It is an arithmetic number, because the mean of its divisors is an integer number (280505249986).

Almost surely, 2^561010499971 is an apocalyptic number.

561010499971 is a deficient number, since it is larger than the sum of its proper divisors (1).

561010499971 is an equidigital number, since it uses as much as digits as its factorization.

561010499971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 561010499971 in words is "five hundred sixty-one billion, ten million, four hundred ninety-nine thousand, nine hundred seventy-one".