428662650501 has 32 divisors (see below), whose sum is σ = 642828144000. Its totient is φ = 282278836224.

The previous prime is 428662650491. The next prime is 428662650511. The reversal of 428662650501 is 105056266824.

428662650501 is a `hidden beast` number, since 4 + 2 + 86 + 6 + 2 + 65 + 0 + 501 = 666.

428662650501 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (428662650491) and next prime (428662650511).

It is not a de Polignac number, because 428662650501 - 2³¹ = 426515166853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428662650511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14482245 + ... + 14511813.

It is an arithmetic number, because the mean of its divisors is an integer number (20088379500).

Almost surely, 2^428662650501 is an apocalyptic number.

It is an amenable number.

428662650501 is a deficient number, since it is larger than the sum of its proper divisors (214165493499).

428662650501 is a wasteful number, since it uses less digits than its factorization.

428662650501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36130 (or 36124 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 428662650501 in words is "four hundred twenty-eight billion, six hundred sixty-two million, six hundred fifty thousand, five hundred one".