3621974413 has 2 divisors, whose sum is σ = 3621974414. Its totient is φ = 3621974412.

The previous prime is 3621974371. The next prime is 3621974417. The reversal of 3621974413 is 3144791263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2752786089 + 869188324 = 52467^2 + 29482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621974413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621974417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810987206 + 1810987207.

It is an arithmetic number, because the mean of its divisors is an integer number (1810987207).

Almost surely, 2^3621974413 is an apocalyptic number.

It is an amenable number.

3621974413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621974413 is an equidigital number, since it uses as much as digits as its factorization.

3621974413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 3621974413 is about 60182.8415164987. The cubic root of 3621974413 is about 1535.7309117298.

The spelling of 3621974413 in words is "three billion, six hundred twenty-one million, nine hundred seventy-four thousand, four hundred thirteen".