845914047618 has 32 divisors (see below), whose sum is σ = 1718018395200. Its totient is φ = 277619878656.

The previous prime is 845914047617. The next prime is 845914047619. The reversal of 845914047618 is 816740419548.

It is an interprime number because it is at equal distance from previous prime (845914047617) and next prime (845914047619).

It is not an unprimeable number, because it can be changed into a prime (845914047617) 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, 1447888 + ... + 1946331.

It is an arithmetic number, because the mean of its divisors is an integer number (53688074850).

Almost surely, 2^845914047618 is an apocalyptic number.

845914047618 is an abundant number, since it is smaller than the sum of its proper divisors (872104347582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845914047618 is a wasteful number, since it uses less digits than its factorization.

845914047618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394866.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 845914047618 in words is "eight hundred forty-five billion, nine hundred fourteen million, forty-seven thousand, six hundred eighteen".