49417605618 has 16 divisors (see below), whose sum is σ = 99008917920. Its totient is φ = 16443584096.

The previous prime is 49417605617. The next prime is 49417605619. The reversal of 49417605618 is 81650671494.

It is an interprime number because it is at equal distance from previous prime (49417605617) and next prime (49417605619).

It is not an unprimeable number, because it can be changed into a prime (49417605613) 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, 7234080 + ... + 7240907.

It is an arithmetic number, because the mean of its divisors is an integer number (6188057370).

Almost surely, 2^49417605618 is an apocalyptic number.

49417605618 is an abundant number, since it is smaller than the sum of its proper divisors (49591312302).

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

49417605618 is a wasteful number, since it uses less digits than its factorization.

49417605618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475561.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 49417605618 in words is "forty-nine billion, four hundred seventeen million, six hundred five thousand, six hundred eighteen".