629418801649 has 32 divisors (see below), whose sum is σ = 713538201600. Its totient is φ = 550238198400.

The previous prime is 629418801643. The next prime is 629418801673. The reversal of 629418801649 is 946108814926.

It is not a de Polignac number, because 629418801649 - 2¹⁹ = 629418277361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629418801593 and 629418801602.

It is not an unprimeable number, because it can be changed into a prime (629418801643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9570372 + ... + 9635914.

It is an arithmetic number, because the mean of its divisors is an integer number (22298068800).

Almost surely, 2^629418801649 is an apocalyptic number.

It is an amenable number.

629418801649 is a deficient number, since it is larger than the sum of its proper divisors (84119399951).

629418801649 is a wasteful number, since it uses less digits than its factorization.

629418801649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65901.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 629418801649 in words is "six hundred twenty-nine billion, four hundred eighteen million, eight hundred one thousand, six hundred forty-nine".