3649617031 has 2 divisors, whose sum is σ = 3649617032. Its totient is φ = 3649617030.

The previous prime is 3649617029. The next prime is 3649617053. The reversal of 3649617031 is 1307169463.

3649617031 is digitally balanced in base 2, 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 3649617031 - 2¹ = 3649617029 is a prime.

It is a super-2 number, since 2×3649617031² = 26639408945930509922, which contains 22 as substring.

Together with 3649617029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3649615031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824808515 + 1824808516.

It is an arithmetic number, because the mean of its divisors is an integer number (1824808516).

Almost surely, 2^3649617031 is an apocalyptic number.

3649617031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649617031 is an equidigital number, since it uses as much as digits as its factorization.

3649617031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 3649617031 is about 60412.0603108353. The cubic root of 3649617031 is about 1539.6278730647.

The spelling of 3649617031 in words is "three billion, six hundred forty-nine million, six hundred seventeen thousand, thirty-one".