649675363 has 2 divisors, whose sum is σ = 649675364. Its totient is φ = 649675362.

The previous prime is 649675337. The next prime is 649675409. The reversal of 649675363 is 363576946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 649675363 - 2²⁵ = 616120931 is a prime.

It is not a weakly prime, because it can be changed into another prime (649675163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324837681 + 324837682.

It is an arithmetic number, because the mean of its divisors is an integer number (324837682).

Almost surely, 2^649675363 is an apocalyptic number.

649675363 is a deficient number, since it is larger than the sum of its proper divisors (1).

649675363 is an equidigital number, since it uses as much as digits as its factorization.

649675363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 49.

The square root of 649675363 is about 25488.7301174460. The cubic root of 649675363 is about 866.0948693953.

The spelling of 649675363 in words is "six hundred forty-nine million, six hundred seventy-five thousand, three hundred sixty-three".