629923259446 has 32 divisors (see below), whose sum is σ = 1090508061888. Its totient is φ = 270577169280.

The previous prime is 629923259429. The next prime is 629923259473. The reversal of 629923259446 is 644952329926.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14212785 + ... + 14257036.

It is an arithmetic number, because the mean of its divisors is an integer number (34078376934).

Almost surely, 2^629923259446 is an apocalyptic number.

629923259446 is a deficient number, since it is larger than the sum of its proper divisors (460584802442).

629923259446 is a wasteful number, since it uses less digits than its factorization.

629923259446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28469896.

The product of its digits is 50388480, while the sum is 61.

The spelling of 629923259446 in words is "six hundred twenty-nine billion, nine hundred twenty-three million, two hundred fifty-nine thousand, four hundred forty-six".