629986067 has 2 divisors, whose sum is σ = 629986068. Its totient is φ = 629986066.

The previous prime is 629986057. The next prime is 629986079. The reversal of 629986067 is 760689926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629986067 - 2¹⁰ = 629985043 is a prime.

It is a super-2 number, since 2×629986067² = 793764889228256978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (629986057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314993033 + 314993034.

It is an arithmetic number, because the mean of its divisors is an integer number (314993034).

Almost surely, 2^629986067 is an apocalyptic number.

629986067 is a deficient number, since it is larger than the sum of its proper divisors (1).

629986067 is an equidigital number, since it uses as much as digits as its factorization.

629986067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 629986067 is about 25099.5232424841. The cubic root of 629986067 is about 857.2555684864.

The spelling of 629986067 in words is "six hundred twenty-nine million, nine hundred eighty-six thousand, sixty-seven".