109294639847 has 16 divisors (see below), whose sum is σ = 111259307040. Its totient is φ = 107348544000.

The previous prime is 109294639823. The next prime is 109294639859. The reversal of 109294639847 is 748936492901.

It is a cyclic number.

It is not a de Polignac number, because 109294639847 - 2²⁰ = 109293591271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109294639847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109294639147) 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, 24608147 + ... + 24612587.

It is an arithmetic number, because the mean of its divisors is an integer number (6953706690).

Almost surely, 2^109294639847 is an apocalyptic number.

109294639847 is a deficient number, since it is larger than the sum of its proper divisors (1964667193).

109294639847 is a wasteful number, since it uses less digits than its factorization.

109294639847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 109294639847 in words is "one hundred nine billion, two hundred ninety-four million, six hundred thirty-nine thousand, eight hundred forty-seven".