648680214499 has 8 divisors (see below), whose sum is σ = 686287380240. Its totient is φ = 611419658976.

The previous prime is 648680214467. The next prime is 648680214521. The reversal of 648680214499 is 994412086846.

648680214499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 648680214499 - 2⁵ = 648680214467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648680214599) 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, 86648704 + ... + 86656189.

It is an arithmetic number, because the mean of its divisors is an integer number (85785922530).

Almost surely, 2^648680214499 is an apocalyptic number.

648680214499 is a deficient number, since it is larger than the sum of its proper divisors (37607165741).

648680214499 is a wasteful number, since it uses less digits than its factorization.

648680214499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173305109.

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 648680214499 in words is "six hundred forty-eight billion, six hundred eighty million, two hundred fourteen thousand, four hundred ninety-nine".