3531726240761 has 2 divisors, whose sum is σ = 3531726240762. Its totient is φ = 3531726240760.

The previous prime is 3531726240743. The next prime is 3531726240773. The reversal of 3531726240761 is 1670426271353.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042669808400 + 1489056432361 = 1429220^2 + 1220269^2 .

It is a cyclic number.

It is not a de Polignac number, because 3531726240761 - 2⁶ = 3531726240697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3531726240781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765863120380 + 1765863120381.

It is an arithmetic number, because the mean of its divisors is an integer number (1765863120381).

Almost surely, 2^{3531726240761} is an apocalyptic number.

It is an amenable number.

3531726240761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3531726240761 is an equidigital number, since it uses as much as digits as its factorization.

3531726240761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 3531726240761 in words is "three trillion, five hundred thirty-one billion, seven hundred twenty-six million, two hundred forty thousand, seven hundred sixty-one".