3649704727 has 2 divisors, whose sum is σ = 3649704728. Its totient is φ = 3649704726.

The previous prime is 3649704719. The next prime is 3649704733. The reversal of 3649704727 is 7274079463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3649704727 - 2³ = 3649704719 is a prime.

It is a super-2 number, since 2×3649704727² = 26640689188572289058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3649704757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824852363 + 1824852364.

It is an arithmetic number, because the mean of its divisors is an integer number (1824852364).

Almost surely, 2^3649704727 is an apocalyptic number.

3649704727 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649704727 is an equidigital number, since it uses as much as digits as its factorization.

3649704727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The square root of 3649704727 is about 60412.7861218137. The cubic root of 3649704727 is about 1539.6402047810.

The spelling of 3649704727 in words is "three billion, six hundred forty-nine million, seven hundred four thousand, seven hundred twenty-seven".