280147795201 has 4 divisors (see below), whose sum is σ = 280149264900. Its totient is φ = 280146325504.

The previous prime is 280147795163. The next prime is 280147795261. The reversal of 280147795201 is 102597741082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41046354801 + 239101440400 = 202599^2 + 488980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280147795201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280147795261) 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, 397216 + ... + 847393.

It is an arithmetic number, because the mean of its divisors is an integer number (70037316225).

Almost surely, 2^280147795201 is an apocalyptic number.

It is an amenable number.

280147795201 is a deficient number, since it is larger than the sum of its proper divisors (1469699).

280147795201 is a wasteful number, since it uses less digits than its factorization.

280147795201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469698.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 280147795201 in words is "two hundred eighty billion, one hundred forty-seven million, seven hundred ninety-five thousand, two hundred one".