650401142921925 has 24 divisors (see below), whose sum is σ = 1075386881206560. Its totient is φ = 346862225179200.

The previous prime is 650401142921917. The next prime is 650401142921927. The reversal of 650401142921925 is 529129241104056.

It is not a de Polignac number, because 650401142921925 - 2³ = 650401142921917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650401142921927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228380131 + ... + 231210480.

It is an arithmetic number, because the mean of its divisors is an integer number (44807786716940).

Almost surely, 2^{650401142921925} is an apocalyptic number.

It is an amenable number.

650401142921925 is a deficient number, since it is larger than the sum of its proper divisors (424985738284635).

650401142921925 is a wasteful number, since it uses less digits than its factorization.

650401142921925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459609493 (or 459609488 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 650401142921925 in words is "six hundred fifty trillion, four hundred one billion, one hundred forty-two million, nine hundred twenty-one thousand, nine hundred twenty-five".