650473672781618 has 16 divisors (see below), whose sum is σ = 1153549370450880. Its totient is φ = 269161519771536.

The previous prime is 650473672781617. The next prime is 650473672781657. The reversal of 650473672781618 is 816187276374056.

It is not an unprimeable number, because it can be changed into a prime (650473672781617) 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, 801075951296 + ... + 801075952107.

It is an arithmetic number, because the mean of its divisors is an integer number (72096835653180).

Almost surely, 2^{650473672781618} is an apocalyptic number.

650473672781618 is a deficient number, since it is larger than the sum of its proper divisors (503075697669262).

650473672781618 is a wasteful number, since it uses less digits than its factorization.

650473672781618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602151903441.

The product of its (nonzero) digits is 568995840, while the sum is 71.

The spelling of 650473672781618 in words is "six hundred fifty trillion, four hundred seventy-three billion, six hundred seventy-two million, seven hundred eighty-one thousand, six hundred eighteen".