650667416421 has 16 divisors (see below), whose sum is σ = 946455759360. Its totient is φ = 394331211120.

The previous prime is 650667416389. The next prime is 650667416447. The reversal of 650667416421 is 124614766056.

It is not a de Polignac number, because 650667416421 - 2⁵ = 650667416389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650667486421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781960 + ... + 1383038.

It is an arithmetic number, because the mean of its divisors is an integer number (59153484960).

Almost surely, 2^650667416421 is an apocalyptic number.

It is an amenable number.

650667416421 is a deficient number, since it is larger than the sum of its proper divisors (295788342939).

650667416421 is a wasteful number, since it uses less digits than its factorization.

650667416421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633896.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 650667416421 in words is "six hundred fifty billion, six hundred sixty-seven million, four hundred sixteen thousand, four hundred twenty-one".