3649101971 has 2 divisors, whose sum is σ = 3649101972. Its totient is φ = 3649101970.

The previous prime is 3649101893. The next prime is 3649101983. The reversal of 3649101971 is 1791019463.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3649101971 is a prime.

It is not a weakly prime, because it can be changed into another prime (3649103971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824550985 + 1824550986.

It is an arithmetic number, because the mean of its divisors is an integer number (1824550986).

Almost surely, 2^3649101971 is an apocalyptic number.

3649101971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649101971 is an equidigital number, since it uses as much as digits as its factorization.

3649101971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 3649101971 is about 60407.7972698889. The cubic root of 3649101971 is about 1539.5554418998. Note that the first 3 decimals are identical.

The spelling of 3649101971 in words is "three billion, six hundred forty-nine million, one hundred one thousand, nine hundred seventy-one".