3648972787 has 2 divisors, whose sum is σ = 3648972788. Its totient is φ = 3648972786.

The previous prime is 3648972773. The next prime is 3648972841. The reversal of 3648972787 is 7872798463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3648972787 - 2¹¹ = 3648970739 is a prime.

It is not a weakly prime, because it can be changed into another prime (3648972727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824486393 + 1824486394.

It is an arithmetic number, because the mean of its divisors is an integer number (1824486394).

Almost surely, 2^3648972787 is an apocalyptic number.

3648972787 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648972787 is an equidigital number, since it uses as much as digits as its factorization.

3648972787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 61.

The square root of 3648972787 is about 60406.7279944875. The cubic root of 3648972787 is about 1539.5372741169.

The spelling of 3648972787 in words is "three billion, six hundred forty-eight million, nine hundred seventy-two thousand, seven hundred eighty-seven".