105109494149 has 8 divisors (see below), whose sum is σ = 114675378048. Its totient is φ = 95545356160.

The previous prime is 105109494137. The next prime is 105109494151. The reversal of 105109494149 is 941494901501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105109494149 - 2⁸ = 105109493893 is a prime.

It is a super-2 number, since 2×105109494149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105109494109) 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, 308972 + ... + 552885.

It is an arithmetic number, because the mean of its divisors is an integer number (14334422256).

Almost surely, 2^105109494149 is an apocalyptic number.

It is an amenable number.

105109494149 is a deficient number, since it is larger than the sum of its proper divisors (9565883899).

105109494149 is a wasteful number, since it uses less digits than its factorization.

105109494149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872955.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 105109494149 in words is "one hundred five billion, one hundred nine million, four hundred ninety-four thousand, one hundred forty-nine".