280214987651 has 2 divisors, whose sum is σ = 280214987652. Its totient is φ = 280214987650.

The previous prime is 280214987629. The next prime is 280214987677. The reversal of 280214987651 is 156789412082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280214987651 - 2¹⁸ = 280214725507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280214987593 and 280214987602.

It is not a weakly prime, because it can be changed into another prime (280214987251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140107493825 + 140107493826.

It is an arithmetic number, because the mean of its divisors is an integer number (140107493826).

Almost surely, 2^280214987651 is an apocalyptic number.

280214987651 is a deficient number, since it is larger than the sum of its proper divisors (1).

280214987651 is an equidigital number, since it uses as much as digits as its factorization.

280214987651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 280214987651 in words is "two hundred eighty billion, two hundred fourteen million, nine hundred eighty-seven thousand, six hundred fifty-one".