649033883 has 2 divisors, whose sum is σ = 649033884. Its totient is φ = 649033882.

The previous prime is 649033841. The next prime is 649033907. The reversal of 649033883 is 388330946.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-649033883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (649033823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324516941 + 324516942.

It is an arithmetic number, because the mean of its divisors is an integer number (324516942).

Almost surely, 2^649033883 is an apocalyptic number.

649033883 is a deficient number, since it is larger than the sum of its proper divisors (1).

649033883 is an equidigital number, since it uses as much as digits as its factorization.

649033883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 649033883 is about 25476.1434090798. The cubic root of 649033883 is about 865.8097190331.

It can be divided in two parts, 64903 and 3883, that added together give a palindrome (68786).

The spelling of 649033883 in words is "six hundred forty-nine million, thirty-three thousand, eight hundred eighty-three".