628902011 has 2 divisors, whose sum is σ = 628902012. Its totient is φ = 628902010.

The previous prime is 628902007. The next prime is 628902017. The reversal of 628902011 is 110209826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628902011 - 2² = 628902007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (628902017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314451005 + 314451006.

It is an arithmetic number, because the mean of its divisors is an integer number (314451006).

Almost surely, 2^628902011 is an apocalyptic number.

628902011 is a deficient number, since it is larger than the sum of its proper divisors (1).

628902011 is an equidigital number, since it uses as much as digits as its factorization.

628902011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 628902011 is about 25077.9187932332. The cubic root of 628902011 is about 856.7635752802.

The spelling of 628902011 in words is "six hundred twenty-eight million, nine hundred two thousand, eleven".