3722666503 has 2 divisors, whose sum is σ = 3722666504. Its totient is φ = 3722666502.

The previous prime is 3722666491. The next prime is 3722666531. The reversal of 3722666503 is 3056662273.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3722666503 - 2¹³ = 3722658311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3722666573) 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, 1861333251 + 1861333252.

It is an arithmetic number, because the mean of its divisors is an integer number (1861333252).

Almost surely, 2^3722666503 is an apocalyptic number.

3722666503 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722666503 is an equidigital number, since it uses as much as digits as its factorization.

3722666503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 3722666503 is about 61013.6583315572. The cubic root of 3722666503 is about 1549.8323097116.

The spelling of 3722666503 in words is "three billion, seven hundred twenty-two million, six hundred sixty-six thousand, five hundred three".