3554931641 has 2 divisors, whose sum is σ = 3554931642. Its totient is φ = 3554931640.

The previous prime is 3554931629. The next prime is 3554931671. The reversal of 3554931641 is 1461394553.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2169603241 + 1385328400 = 46579^2 + 37220^2 .

It is a cyclic number.

It is not a de Polignac number, because 3554931641 - 2⁶ = 3554931577 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 (3554931671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777465820 + 1777465821.

It is an arithmetic number, because the mean of its divisors is an integer number (1777465821).

Almost surely, 2^3554931641 is an apocalyptic number.

It is an amenable number.

3554931641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3554931641 is an equidigital number, since it uses as much as digits as its factorization.

3554931641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 3554931641 is about 59623.2474878717. The cubic root of 3554931641 is about 1526.1963760306.

The spelling of 3554931641 in words is "three billion, five hundred fifty-four million, nine hundred thirty-one thousand, six hundred forty-one".