3724352411561 has 2 divisors, whose sum is σ = 3724352411562. Its totient is φ = 3724352411560.

The previous prime is 3724352411539. The next prime is 3724352411569. The reversal of 3724352411561 is 1651142534273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2297149453225 + 1427202958336 = 1515635^2 + 1194656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3724352411561 is a prime.

It is not a weakly prime, because it can be changed into another prime (3724352411569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862176205780 + 1862176205781.

It is an arithmetic number, because the mean of its divisors is an integer number (1862176205781).

Almost surely, 2^{3724352411561} is an apocalyptic number.

It is an amenable number.

3724352411561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3724352411561 is an equidigital number, since it uses as much as digits as its factorization.

3724352411561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The spelling of 3724352411561 in words is "three trillion, seven hundred twenty-four billion, three hundred fifty-two million, four hundred eleven thousand, five hundred sixty-one".