629416575006991 has 2 divisors, whose sum is σ = 629416575006992. Its totient is φ = 629416575006990.

The previous prime is 629416575006953. The next prime is 629416575007067. The reversal of 629416575006991 is 199600575614926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629416575006991 - 2³⁵ = 629382215268623 is a prime.

It is a super-2 number, since 2×629416575006991² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 629416575006991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629416575004991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314708287503495 + 314708287503496.

It is an arithmetic number, because the mean of its divisors is an integer number (314708287503496).

Almost surely, 2^{629416575006991} is an apocalyptic number.

629416575006991 is a deficient number, since it is larger than the sum of its proper divisors (1).

629416575006991 is an equidigital number, since it uses as much as digits as its factorization.

629416575006991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220449600, while the sum is 70.

The spelling of 629416575006991 in words is "six hundred twenty-nine trillion, four hundred sixteen billion, five hundred seventy-five million, six thousand, nine hundred ninety-one".