561334425739 has 2 divisors, whose sum is σ = 561334425740. Its totient is φ = 561334425738.

The previous prime is 561334425733. The next prime is 561334425781. The reversal of 561334425739 is 937524433165.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561334425739 - 2¹¹ = 561334423691 is a prime.

It is a super-2 number, since 2×561334425739² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (561334425733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280667212869 + 280667212870.

It is an arithmetic number, because the mean of its divisors is an integer number (280667212870).

Almost surely, 2^561334425739 is an apocalyptic number.

561334425739 is a deficient number, since it is larger than the sum of its proper divisors (1).

561334425739 is an equidigital number, since it uses as much as digits as its factorization.

561334425739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 52.

The spelling of 561334425739 in words is "five hundred sixty-one billion, three hundred thirty-four million, four hundred twenty-five thousand, seven hundred thirty-nine".