905706054049 has 4 divisors (see below), whose sum is σ = 905708431360. Its totient is φ = 905703676740.

The previous prime is 905706054041. The next prime is 905706054061. The reversal of 905706054049 is 940450607509.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 905706054049 - 2³ = 905706054041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 905706053993 and 905706054011.

It is not an unprimeable number, because it can be changed into a prime (905706054041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473937 + ... + 1426894.

It is an arithmetic number, because the mean of its divisors is an integer number (226427107840).

Almost surely, 2^905706054049 is an apocalyptic number.

It is an amenable number.

905706054049 is a deficient number, since it is larger than the sum of its proper divisors (2377311).

905706054049 is a wasteful number, since it uses less digits than its factorization.

905706054049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377310.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 905706054049 in words is "nine hundred five billion, seven hundred six million, fifty-four thousand, forty-nine".