648829413 has 8 divisors (see below), whose sum is σ = 961228800. Its totient is φ = 432552924.

The previous prime is 648829409. The next prime is 648829417. The reversal of 648829413 is 314928846.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (648829409) and next prime (648829417).

It is not a de Polignac number, because 648829413 - 2² = 648829409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648829417) 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, 12015333 + ... + 12015386.

It is an arithmetic number, because the mean of its divisors is an integer number (120153600).

Almost surely, 2^648829413 is an apocalyptic number.

It is an amenable number.

648829413 is a deficient number, since it is larger than the sum of its proper divisors (312399387).

648829413 is a wasteful number, since it uses less digits than its factorization.

648829413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030728 (or 24030722 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 648829413 is about 25472.1301229402. The cubic root of 648829413 is about 865.7187886458.

The spelling of 648829413 in words is "six hundred forty-eight million, eight hundred twenty-nine thousand, four hundred thirteen".