4359429081661 has 2 divisors, whose sum is σ = 4359429081662. Its totient is φ = 4359429081660.

The previous prime is 4359429081599. The next prime is 4359429081773. The reversal of 4359429081661 is 1661809249534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3146774427225 + 1212654654436 = 1773915^2 + 1101206^2 .

It is a cyclic number.

It is not a de Polignac number, because 4359429081661 - 2¹³ = 4359429073469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4359429081596 and 4359429081605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4359429081961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179714540830 + 2179714540831.

It is an arithmetic number, because the mean of its divisors is an integer number (2179714540831).

Almost surely, 2^{4359429081661} is an apocalyptic number.

It is an amenable number.

4359429081661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4359429081661 is an equidigital number, since it uses as much as digits as its factorization.

4359429081661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 4359429081661 in words is "four trillion, three hundred fifty-nine billion, four hundred twenty-nine million, eighty-one thousand, six hundred sixty-one".