629685381211 has 2 divisors, whose sum is σ = 629685381212. Its totient is φ = 629685381210.

The previous prime is 629685381103. The next prime is 629685381223. The reversal of 629685381211 is 112183586926.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629685381211 - 2³⁹ = 79929567323 is a prime.

It is not a weakly prime, because it can be changed into another prime (629685381251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314842690605 + 314842690606.

It is an arithmetic number, because the mean of its divisors is an integer number (314842690606).

Almost surely, 2^629685381211 is an apocalyptic number.

629685381211 is a deficient number, since it is larger than the sum of its proper divisors (1).

629685381211 is an equidigital number, since it uses as much as digits as its factorization.

629685381211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 52.

The spelling of 629685381211 in words is "six hundred twenty-nine billion, six hundred eighty-five million, three hundred eighty-one thousand, two hundred eleven".