648629148629 has 8 divisors (see below), whose sum is σ = 808680497088. Its totient is φ = 505425310560.

The previous prime is 648629148589. The next prime is 648629148631. The reversal of 648629148629 is 926841926846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 648629148629 - 2¹² = 648629144533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648629148689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4211877512 + ... + 4211877665.

It is an arithmetic number, because the mean of its divisors is an integer number (101085062136).

Almost surely, 2^648629148629 is an apocalyptic number.

It is an amenable number.

648629148629 is a deficient number, since it is larger than the sum of its proper divisors (160051348459).

648629148629 is a wasteful number, since it uses less digits than its factorization.

648629148629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423755195.

The product of its digits is 71663616, while the sum is 65.

The spelling of 648629148629 in words is "six hundred forty-eight billion, six hundred twenty-nine million, one hundred forty-eight thousand, six hundred twenty-nine".