280468466729 has 4 divisors (see below), whose sum is σ = 305965600080. Its totient is φ = 254971333380.

The previous prime is 280468466723. The next prime is 280468466741. The reversal of 280468466729 is 927664864082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 280468466729 - 2⁴ = 280468466713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280468466723) 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, 12748566659 + ... + 12748566680.

It is an arithmetic number, because the mean of its divisors is an integer number (76491400020).

Almost surely, 2^280468466729 is an apocalyptic number.

It is an amenable number.

280468466729 is a deficient number, since it is larger than the sum of its proper divisors (25497133351).

280468466729 is a wasteful number, since it uses less digits than its factorization.

280468466729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25497133350.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 280468466729 in words is "two hundred eighty billion, four hundred sixty-eight million, four hundred sixty-six thousand, seven hundred twenty-nine".