105421440949 has 8 divisors (see below), whose sum is σ = 115021005120. Its totient is φ = 95824509600.

The previous prime is 105421440941. The next prime is 105421440959. The reversal of 105421440949 is 949044124501.

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 105421440949 - 2³ = 105421440941 is a prime.

It is a super-2 number, since 2×105421440949² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105421440941) 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, 574009 + ... + 735070.

It is an arithmetic number, because the mean of its divisors is an integer number (14377625640).

Almost surely, 2^105421440949 is an apocalyptic number.

It is an amenable number.

105421440949 is a deficient number, since it is larger than the sum of its proper divisors (9599564171).

105421440949 is a wasteful number, since it uses less digits than its factorization.

105421440949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316411.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 105421440949 in words is "one hundred five billion, four hundred twenty-one million, four hundred forty thousand, nine hundred forty-nine".