280945345059 has 24 divisors (see below), whose sum is σ = 408174905840. Its totient is φ = 186206625792.

The previous prime is 280945344997. The next prime is 280945345063. The reversal of 280945345059 is 950543549082.

280945345059 is a `hidden beast` number, since 2 + 8 + 0 + 9 + 4 + 534 + 50 + 59 = 666.

It is not a de Polignac number, because 280945345059 - 2¹⁶ = 280945279523 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280945344996 and 280945345014.

It is not an unprimeable number, because it can be changed into a prime (280945345099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2691507 + ... + 2793939.

Almost surely, 2^280945345059 is an apocalyptic number.

280945345059 is a deficient number, since it is larger than the sum of its proper divisors (127229560781).

280945345059 is a wasteful number, since it uses less digits than its factorization.

280945345059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104211 (or 104208 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 280945345059 in words is "two hundred eighty billion, nine hundred forty-five million, three hundred forty-five thousand, fifty-nine".