10280389945 has 32 divisors (see below), whose sum is σ = 15352646400. Its totient is φ = 6448087296.

The previous prime is 10280389937. The next prime is 10280389969. The reversal of 10280389945 is 54998308201.

It is not a de Polignac number, because 10280389945 - 2³ = 10280389937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247254 + ... + 285823.

It is an arithmetic number, because the mean of its divisors is an integer number (479770200).

Almost surely, 2^10280389945 is an apocalyptic number.

It is an amenable number.

10280389945 is a deficient number, since it is larger than the sum of its proper divisors (5072256455).

10280389945 is a wasteful number, since it uses less digits than its factorization.

10280389945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533137.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 10280389945 in words is "ten billion, two hundred eighty million, three hundred eighty-nine thousand, nine hundred forty-five".