3729542205461 has 2 divisors, whose sum is σ = 3729542205462. Its totient is φ = 3729542205460.

The previous prime is 3729542205457. The next prime is 3729542205569. The reversal of 3729542205461 is 1645022459273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3704062064836 + 25480140625 = 1924594^2 + 159625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3729542205461 - 2² = 3729542205457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3729542205661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864771102730 + 1864771102731.

It is an arithmetic number, because the mean of its divisors is an integer number (1864771102731).

Almost surely, 2^{3729542205461} is an apocalyptic number.

It is an amenable number.

3729542205461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3729542205461 is an equidigital number, since it uses as much as digits as its factorization.

3729542205461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 3729542205461 in words is "three trillion, seven hundred twenty-nine billion, five hundred forty-two million, two hundred five thousand, four hundred sixty-one".