10280389947 has 16 divisors (see below), whose sum is σ = 14050920960. Its totient is φ = 6682811552.

The previous prime is 10280389937. The next prime is 10280389969. The reversal of 10280389947 is 74998308201.

It is a cyclic number.

It is not a de Polignac number, because 10280389947 - 2⁶ = 10280389883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10280389947.

It is not an unprimeable number, because it can be changed into a prime (10280389937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97593 + ... + 173450.

It is an arithmetic number, because the mean of its divisors is an integer number (878182560).

Almost surely, 2^10280389947 is an apocalyptic number.

10280389947 is a deficient number, since it is larger than the sum of its proper divisors (3770531013).

10280389947 is a wasteful number, since it uses less digits than its factorization.

10280389947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271362.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 10280389947 in words is "ten billion, two hundred eighty million, three hundred eighty-nine thousand, nine hundred forty-seven".