10420054985 has 8 divisors (see below), whose sum is σ = 12511392840. Its totient is φ = 8331159424.

The previous prime is 10420054969. The next prime is 10420054991. The reversal of 10420054985 is 58945002401.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 10419713929 = 584^2 + 102077^2 .

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 10420054985 - 2⁴ = 10420054969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601172 + ... + 618261.

It is an arithmetic number, because the mean of its divisors is an integer number (1563924105).

Almost surely, 2^10420054985 is an apocalyptic number.

It is an amenable number.

10420054985 is a deficient number, since it is larger than the sum of its proper divisors (2091337855).

10420054985 is a wasteful number, since it uses less digits than its factorization.

10420054985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221147.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 10420054985 in words is "ten billion, four hundred twenty million, fifty-four thousand, nine hundred eighty-five".