3527494661 has 2 divisors, whose sum is σ = 3527494662. Its totient is φ = 3527494660.

The previous prime is 3527494639. The next prime is 3527494697. The reversal of 3527494661 is 1664947253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111402500 + 1416092161 = 45950^2 + 37631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3527494661 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 (3527494261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1763747330 + 1763747331.

It is an arithmetic number, because the mean of its divisors is an integer number (1763747331).

Almost surely, 2^3527494661 is an apocalyptic number.

It is an amenable number.

3527494661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3527494661 is an equidigital number, since it uses as much as digits as its factorization.

3527494661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 3527494661 is about 59392.7155550241. The cubic root of 3527494661 is about 1522.2598341156.

The spelling of 3527494661 in words is "three billion, five hundred twenty-seven million, four hundred ninety-four thousand, six hundred sixty-one".