3721862147 has 2 divisors, whose sum is σ = 3721862148. Its totient is φ = 3721862146.

The previous prime is 3721862087. The next prime is 3721862159. The reversal of 3721862147 is 7412681273.

It is a strong prime.

It is an emirp because it is prime and its reverse (7412681273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3721862147 - 2²⁰ = 3720813571 is a prime.

It is not a weakly prime, because it can be changed into another prime (3721882147) 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, 1860931073 + 1860931074.

It is an arithmetic number, because the mean of its divisors is an integer number (1860931074).

Almost surely, 2^3721862147 is an apocalyptic number.

3721862147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721862147 is an equidigital number, since it uses as much as digits as its factorization.

3721862147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 3721862147 is about 61007.0663693969. The cubic root of 3721862147 is about 1549.7206776586.

The spelling of 3721862147 in words is "three billion, seven hundred twenty-one million, eight hundred sixty-two thousand, one hundred forty-seven".