109494464391 has 30 divisors (see below), whose sum is σ = 177115656960. Its totient is φ = 67381200432.

The previous prime is 109494464371. The next prime is 109494464411. The reversal of 109494464391 is 193464494901.

109494464391 is a `hidden beast` number, since 1 + 0 + 9 + 4 + 94 + 464 + 3 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (109494464371) and next prime (109494464411).

It is not a de Polignac number, because 109494464391 - 2⁹ = 109494463879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109494464341) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3985671 + ... + 4013048.

It is an arithmetic number, because the mean of its divisors is an integer number (5903855232).

Almost surely, 2^109494464391 is an apocalyptic number.

109494464391 is a deficient number, since it is larger than the sum of its proper divisors (67621192569).

109494464391 is an equidigital number, since it uses as much as digits as its factorization.

109494464391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998757 (or 7998735 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 109494464391 in words is "one hundred nine billion, four hundred ninety-four million, four hundred sixty-four thousand, three hundred ninety-one".