3685472647 has 2 divisors, whose sum is σ = 3685472648. Its totient is φ = 3685472646.

The previous prime is 3685472621. The next prime is 3685472719. The reversal of 3685472647 is 7462745863.

It is a weak prime.

It is an emirp because it is prime and its reverse (7462745863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3685472647 - 2⁷ = 3685472519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3685472594 and 3685472603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3685473647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842736323 + 1842736324.

It is an arithmetic number, because the mean of its divisors is an integer number (1842736324).

Almost surely, 2^3685472647 is an apocalyptic number.

3685472647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685472647 is an equidigital number, since it uses as much as digits as its factorization.

3685472647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 52.

The square root of 3685472647 is about 60708.0937519866. The cubic root of 3685472647 is about 1544.6534689908.

The spelling of 3685472647 in words is "three billion, six hundred eighty-five million, four hundred seventy-two thousand, six hundred forty-seven".