3798515647 has 2 divisors, whose sum is σ = 3798515648. Its totient is φ = 3798515646.

The previous prime is 3798515641. The next prime is 3798515731. The reversal of 3798515647 is 7465158973.

3798515647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3798515647 - 2¹¹ = 3798513599 is a prime.

It is a super-2 number, since 2×3798515647² = 28857442241007657218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3798515641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1899257823 + 1899257824.

It is an arithmetic number, because the mean of its divisors is an integer number (1899257824).

Almost surely, 2^3798515647 is an apocalyptic number.

3798515647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3798515647 is an equidigital number, since it uses as much as digits as its factorization.

3798515647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 55.

The square root of 3798515647 is about 61632.0991610703. The cubic root of 3798515647 is about 1560.2875383577.

The spelling of 3798515647 in words is "three billion, seven hundred ninety-eight million, five hundred fifteen thousand, six hundred forty-seven".