3631500034661 has 2 divisors, whose sum is σ = 3631500034662. Its totient is φ = 3631500034660.

The previous prime is 3631500034621. The next prime is 3631500034667. The reversal of 3631500034661 is 1664300051363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3461203505761 + 170296528900 = 1860431^2 + 412670^2 .

It is an emirp because it is prime and its reverse (1664300051363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3631500034661 - 2⁶ = 3631500034597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3631500034667) 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, 1815750017330 + 1815750017331.

It is an arithmetic number, because the mean of its divisors is an integer number (1815750017331).

Almost surely, 2^{3631500034661} is an apocalyptic number.

It is an amenable number.

3631500034661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3631500034661 is an equidigital number, since it uses as much as digits as its factorization.

3631500034661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 3631500034661 in words is "three trillion, six hundred thirty-one billion, five hundred million, thirty-four thousand, six hundred sixty-one".